Science & Futurism with Isaac Arthur

In the future we may have technologies sufficiently advanced that they are indistinguishable from magic, but could those civilizations also be indistinguishable from primitive ones?

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In the future we may have technologies sufficiently advanced that they are indistinguishable from magic, but could those civilizations also be indistinguishable from primitive ones?

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One day we will journey to the Red Planet and perhaps settle there, but what great civilizations and cities will emerge on the red sands?

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One day we will journey to the Red Planet and perhaps settle there, but what great civilizations and cities will emerge on the red sands?

Watch my exclusive video Exploring The Multiverse: https://nebula.tv/videos/isaacarthur-exploring-the-multiverse

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The Library of Babel is repository of every book ever written... if you can find it.

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The Library of Babel is repository of every book ever written... if you can find it.

Go to https://brilliant.org/IsaacArthur/ to get a 30-day free trial and 20% off their annual subscription.

Learn More about the NSS contests:

https://nss.org/nss-roadmap-to-space-art-contest/

https://nss.org/healthy-space/

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In the future, we may colonize other planets or build artificial worlds for people to life on, but some may choose a nomadic life on spaceships instead.

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In the future, we may colonize other planets or build artificial worlds for people to life on, but some may choose a nomadic life on spaceships instead.

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The Moon is barren and lifeless, but as we return to the Moon and settle there permanently, might we transform the brightest jewel in our sky into a glittering emerald full of life?

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The Moon is barren and lifeless, but as we return to the Moon and settle there permanently, might we transform the brightest jewel in our sky into a glittering emerald full of life?

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Could something in the future alter the past, so that effect came before cause? Does quantum mechanics truly allow this, as often hinted?

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Could something in the future alter the past, so that effect came before cause? Does quantum mechanics truly allow this, as often hinted?

If you love card games, definitely check out Doomlings. Click here and use code ISAAC20 to get 20% off of your copy of Doomlings! https://bit.ly/IsaacDoomlings

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In the future, fleets of unimaginable scope may battle over light years, in conflicts that might last milliseconds or entire centuries.

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In the future, fleets of unimaginable scope may battle over light years, in conflicts that might last milliseconds or entire centuries.

Watch my exclusive video Jupiter Brains & Mega Minds: https://nebula.tv/videos/isaacarthur-jupiter-brains-mega-minds

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Technology has shaped our civilization as it grew down the centuries, and since the industrial revolution, each new generation seems defined by some new technological revolution… So what will the next revolution be?

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Technology has shaped our civilization as it grew down the centuries, and since the industrial revolution, each new generation seems defined by some new technological revolution… So what will the next revolution be?

If you love card games, definitely check out Doomlings. Click here and use code ISAAC20 to get 20% off of your copy of Doomlings! https://bit.ly/IsaacDoomlings

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Many believe humanity's climb upward may have been assisted by outsiders. Is this possible, and if so, what does that tell us about our own past... and future?

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Many believe humanity's climb upward may have been assisted by outsiders. Is this possible, and if so, what does that tell us about our own past... and future?

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We often wonder where all the vast and ancient alien civilizations are, but could it be that they've migrated far away in space or time, or even journeyed beyond our cosmos?

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We often wonder where all the vast and ancient alien civilizations are, but could it be that they've migrated far away in space or time, or even journeyed beyond our cosmos?

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Join us for a journey to a new world, as we explore what it would be like to lead a colony mission.

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Join us for a journey to a new world, as we explore what it would be like to lead a colony mission.

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We so often hear of mining asteroids, but the Moon outmasses every known asteroid combined dozens of times over again, and is closer to Earth too. So what would life be like mining on the Moon?

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We so often hear of mining asteroids, but the Moon outmasses every known asteroid combined dozens of times over again, and is closer to Earth too. So what would life be like mining on the Moon?

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We often try to distinguish between what is alive and what is a machine, and note that machines can't reproduce or fix themselves, but that may soon change.

The first 150 people to join Planet Wild https://planetwild.com/r/isaacarthur/join/27, my code ISAAC27, will get their first month for free! Check out one of their missions: https://planetwild.com/r/isaacarthur/m17/27

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We often try to distinguish between what is alive and what is a machine, and note that machines can't reproduce or fix themselves, but that may soon change.

The first 150 people to join Planet Wild https://planetwild.com/r/isaacarthur/join/27, my code ISAAC27, will get their first month for free! Check out one of their missions: https://planetwild.com/r/isaacarthur/m17/27

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Our universe is a strange place, with underlying rules we’re only just beginning to understand, but could the strangest thing of all about our Universe be that we are able to live here to observe it in the first place?

The first 150 people to join Planet Wild https://planetwild.com/r/isaacarthur/join, my code ISAAC7, will get their first month for free! Check out one of their missions: https://planetwild.com/r/isaacarthur/m17

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Our universe is a strange place, with underlying rules we’re only just beginning to understand, but could the strangest thing of all about our Universe be that we are able to live here to observe it in the first place?

The first 150 people to join Planet Wild https://planetwild.com/r/isaacarthur/join, my code ISAAC7, will get their first month for free! Check out one of their missions: https://planetwild.com/r/isaacarthur/m17

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When listen to void of space, we hear no alien signals, but could the galaxy be quiet because ancient empires slumber inside it?

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When listen to void of space, we hear no alien signals, but could the galaxy be quiet because ancient empires slumber inside it?

Watch my exclusive video Planetary Archives & Stasis Vaults: https://nebula.tv/videos/isaacarthur-planetary-archives-stasis-vaults

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Space is huge, immense beyond our wildest dreams. In order to explore and settle it, we’ll need to learn to dream a lot bigger and bolder than ever before.

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Space is huge, immense beyond our wildest dreams. In order to explore and settle it, we’ll need to learn to dream a lot bigger and bolder than ever before.

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We often contemplate cyborgs, people enhanced by machines, but what would a civilization built upon cybernetics be like?

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We often contemplate cyborgs, people enhanced by machines, but what would a civilization built upon cybernetics be like?

Watch my exclusive video Planetary Archives & Stasis Vaults: https://nebula.tv/videos/isaacarthur-planetary-archives-stasis-vaults

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The dangers of artificial intelligence have long loomed in our future, and seem ever closer. But it may be that the dangers of the future can reach back into the past itself, and even without a time machine.

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The dangers of artificial intelligence have long loomed in our future, and seem ever closer. But it may be that the dangers of the future can reach back into the past itself, and even without a time machine.

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An extended exploration of what science tells us about free will and consciousness in a quantum universe, including Sir Roger Penrose's theory of Orchestrated Objective Reduction.

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An extended exploration of what science tells us about free will and consciousness in a quantum universe, including Sir Roger Penrose's theory of Orchestrated Objective Reduction.

Watch my exclusive video ISRU: https://nebula.tv/videos/isaacarthur-isru-insitu-resource-utilization

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Earth is immense, but we only live on a thin shell of its surface. So what if we built a planet with only that thin shell, or with several layers of them?

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Earth is immense, but we only live on a thin shell of its surface. So what if we built a planet with only that thin shell, or with several layers of them?

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What if dinosaurs have survived the asteroid impact? Could we have seen a shared dino-mammal ecology, or even intelligent dinosaurs?

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What if dinosaurs have survived the asteroid impact? Could we have seen a shared dino-mammal ecology, or even intelligent dinosaurs?

Watch my exclusive video ISRU: https://nebula.tv/videos/isaacarthur-isru-insitu-resource-utilization

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As we reach out to the stars and settle other worlds, could we find or create ones even better for humanity than Earth?

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As we reach out to the stars and settle other worlds, could we find or create ones even better for humanity than Earth?

Use code isaacarthur at the link below to get an exclusive 60% off an annual Incogni plan: https://incogni.com/isaacarthur

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The galaxy has many stars orbited by many planets, and many of these are orbited by immense icy moons, but could others have oceans on their surface, or even life?

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The galaxy has many stars orbited by many planets, and many of these are orbited by immense icy moons, but could others have oceans on their surface, or even life?

Go to https://brilliant.org/IsaacArthur/ to get a 30-day free trial and 20% off their annual subscription.

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Many fear future technologies may doom our civilization, but could the pursuit of technology, and civilization itself, be what dooms humanity?

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Many fear future technologies may doom our civilization, but could the pursuit of technology, and civilization itself, be what dooms humanity?

Watch my exclusive video ISRU: https://nebula.tv/videos/isaacarthur-isru-insitu-resource-utilization

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We all dream of a future in space, but it will take a lot of work to get there and more to make it a place we can visit and live. Of course, where there’s work to be done, there’s jobs to be had.

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We all dream of a future in space, but it will take a lot of work to get there and more to make it a place we can visit and live. Of course, where there’s work to be done, there’s jobs to be had.

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Ganymede is an enormous moon, larger than any other we’ve found, including our own, and may one day be the centerpiece of wider human settlements around Jupiter.

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Ganymede is an enormous moon, larger than any other we’ve found, including our own, and may one day be the centerpiece of wider human settlements around Jupiter.

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One day we may settle thousands of planets and trade between them, but what would a space freighter be like, who would crew them, and what would they carry?

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One day we may settle thousands of planets and trade between them, but what would a space freighter be like, who would crew them, and what would they carry?

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We think very highly of the human brain, after all, it's what lets us think about anything in the first place, but Nature is vast, and our primate brains are not the end-all and be-all of neural engineering.

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We think very highly of the human brain, after all, it's what lets us think about anything in the first place, but Nature is vast, and our primate brains are not the end-all and be-all of neural engineering.

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One day our civilization may settle our whole galaxy, with mighty star empires consisting of millions if not billions of worlds, but what would the centers of such empires be like?

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One day our civilization may settle our whole galaxy, with mighty star empires consisting of millions if not billions of worlds, but what would the centers of such empires be like?

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We often imagine encountering many alien civilizations, and establishing trade and relationships with them, but what would being an alien ambassador be like?

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We often imagine encountering many alien civilizations, and establishing trade and relationships with them, but what would being an alien ambassador be like?

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We often look out into the galaxy and wonder where all the civilizations are, but could it be that we don't see them because they have all chosen to exist in fortress star systems, surrounded by despoiled deserts of their own making?

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We often look out into the galaxy and wonder where all the civilizations are, but could it be that we don't see them because they have all chosen to exist in fortress star systems, surrounded by despoiled deserts of their own making?

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The Banks Orbital is a ring-shaped Space Habitat over a million miles across with hundreds of times more living area than the entire Earth.

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The Banks Orbital is a ring-shaped Space Habitat over a million miles across with hundreds of times more living area than the entire Earth.

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There are billion of binary star systems in our galaxy, including many of those stars closest to us. Can such systems host life, and what would it be like to live under two suns?

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There are billion of binary star systems in our galaxy, including many of those stars closest to us. Can such systems host life, and what would it be like to live under two suns?

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Stars give warmth and light to planets and make life possible, until they run out of fuel and die themselves, but could these dead stars still enable life to dwell around them?

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Stars give warmth and light to planets and make life possible, until they run out of fuel and die themselves, but could these dead stars still enable life to dwell around them?

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Beneath the surface of the Moon lie vast underground caverns, some of which are miles long and wider than football fields, and they may make for excellent settlement sites.

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Beneath the surface of the Moon lie vast underground caverns, some of which are miles long and wider than football fields, and they may make for excellent settlement sites.

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We are fascinated by portals between worlds, gateways between stars, wormholes through the fabric of reality, but could these be real, and if so, what would the civilizations using them be like?

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We are fascinated by portals between worlds, gateways between stars, wormholes through the fabric of reality, but could these be real, and if so, what would the civilizations using them be like?

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The galaxy is an immense and mysterious place we may one day explore and settle, but for now, we have only one planet, and the galaxy holds many dangers, so what can we do to defend Earth?

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The galaxy is an immense and mysterious place we may one day explore and settle, but for now, we have only one planet, and the galaxy holds many dangers, so what can we do to defend Earth?

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We often worry that the reason we hear nothing in our search for extraterrestrial intelligence is that travel to other stars is just too hard, but what if a civilization decides it’s just too dangerous to allow?

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We often worry that the reason we hear nothing in our search for extraterrestrial intelligence is that travel to other stars is just too hard, but what if a civilization decides it’s just too dangerous to allow?

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Space offers a variety of clean and abundant sources of power, but how can we get them down to Earth? And which are safe and economical?

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Space offers a variety of clean and abundant sources of power, but how can we get them down to Earth? And which are safe and economical?

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One day humanity may settle countless worlds, but could any nation hope to govern multiple planets or even star systems?

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https://isdc.nss.org/volunteer-at-isdc/

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One day humanity may settle countless worlds, but could any nation hope to govern multiple planets or even star systems?

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Black Holes can swallow anything, even light, and small black holes made from light itself may offer us abundant clean energy and a pathway to the stars.

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Black Holes can swallow anything, even light, and small black holes made from light itself may offer us abundant clean energy and a pathway to the stars.

Learn more about the game and see it in action at https://upperstory.com/turingtumble/?utm_source=YouTube&utm_medium=XXXX

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Life is incredibly complicated, but for most of Earth’s history it was much simpler. Is it possible the Universe is full of planets with very simple life, and complex organisms are rare?

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Life is incredibly complicated, but for most of Earth’s history it was much simpler. Is it possible the Universe is full of planets with very simple life, and complex organisms are rare?

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As ever more automation works its way into our legal system and courts, we must ask what challenges and advantages AI has in justice, and if AI will come to be our judge and jury.

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As ever more automation works its way into our legal system and courts, we must ask what challenges and advantages AI has in justice, and if AI will come to be our judge and jury.

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The Red Planet beckons us toward it, and the day draws closer when humans will walk on its dusty surface, and the moons of Mars, Phobos & Deimos, may be our gateway to that future.

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The Red Planet beckons us toward it, and the day draws closer when humans will walk on its dusty surface, and the moons of Mars, Phobos & Deimos, may be our gateway to that future.

Learn more about the game and see it in action at https://upperstory.com/turingtumble/?utm_source=YouTube&utm_medium=XXXX

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A look at the possible effects of alien food, drink, and microbes on us or our ecosystem.

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A look at the possible effects of alien food, drink, and microbes on us or our ecosystem.

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In the future we may be able to claim new worlds and forge them into paradises, but should we?

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In the future we may be able to claim new worlds and forge them into paradises, but should we?

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Our world is ancient, but the Universe is far older. What were those first planets like, and how soon can life emerge on new ones?

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Our world is ancient, but the Universe is far older. What were those first planets like, and how soon can life emerge on new ones?

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The vast gulfs between stars may take decades or even centuries to travel, requiring enormous generation ships carrying families and whole ecosystems with them. What will life be like on board such arks?

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The vast gulfs between stars may take decades or even centuries to travel, requiring enormous generation ships carrying families and whole ecosystems with them. What will life be like on board such arks?

Try Cell to Singularity, free to play: https://l.linklyhq.com/l/1uNoF

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Vacuum Trains and other low pressure rail & maglev systems offer the possibility of ultra-fast and ultra-cheap transport on and off of Earth.

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Vacuum Trains and other low pressure rail & maglev systems offer the possibility of ultra-fast and ultra-cheap transport on and off of Earth.

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We have gazed upon the Moon with wonder since the dawn of humanity, and named its craters as seas, but could those become true seas one day?

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We have gazed upon the Moon with wonder since the dawn of humanity, and named its craters as seas, but could those become true seas one day?

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Black holes are objects of mystery and dread from which nothing can escape… but could they also be the foundations of future civilizations of unimaginable might and size.

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Black holes are objects of mystery and dread from which nothing can escape… but could they also be the foundations of future civilizations of unimaginable might and size.

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Until recently a planet-wide state of quarantine seemed almost unimaginable, but in the future could entire planets be quarantined from the rest of space, and what dreadful causes could necessitate such measures?

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Until recently a planet-wide state of quarantine seemed almost unimaginable, but in the future could entire planets be quarantined from the rest of space, and what dreadful causes could necessitate such measures?

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In the future we will not simply travel to visit new worlds but seek to build homes and forge lives on them. So what would being a pioneer in space truly be like?

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In the future we will not simply travel to visit new worlds but seek to build homes and forge lives on them. So what would being a pioneer in space truly be like?

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The galaxy is a harsh place full of desolate and barren planets, but some worlds may be so deadly they actively seek to kill those who dare to travel to them.

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The galaxy is a harsh place full of desolate and barren planets, but some worlds may be so deadly they actively seek to kill those who dare to travel to them.

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In a future so distant that all has decayed to nothingness and time itself ceases to exist, might this eternal moment of oblivion bring on a fiery resurrection to all of space and time?

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In a future so distant that all has decayed to nothingness and time itself ceases to exist, might this eternal moment of oblivion bring on a fiery resurrection to all of space and time?

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Lagrange Points are the rare oases, stationary islands in space. As a result, they are invaluable real estate where we can build vast space habitats.

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Lagrange Points are the rare oases, stationary islands in space. As a result, they are invaluable real estate where we can build vast space habitats.

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For us to live and build communities in space we will need law and order, but who will make the rules, what should they be, and what sheriff will see that the law is enforced?

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For us to live and build communities in space we will need law and order, but who will make the rules, what should they be, and what sheriff will see that the law is enforced?

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We often worry that humanity might be attacked by Aliens or AI, but which is worse and which would win in a battle between them?

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We often worry that humanity might be attacked by Aliens or AI, but which is worse and which would win in a battle between them?

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Uplifting is the process of altering an animal - or even an alien - to be smarter or able to use technology. Our ability to do this seem inevitable, and with it a host of moral dilemmas.  

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Uplifting is the process of altering an animal - or even an alien - to be smarter or able to use technology. Our ability to do this seem inevitable, and with it a host of moral dilemmas.  

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A look at Statites, or Static Satellites, and variations like the Lagite, Quasite, Mag Sail, Solar Moth, and Non-Keplerian Orbits that offer us powerful foundations for advanced, Kardashev-scale space development. 

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A look at Statites, or Static Satellites, and variations like the Lagite, Quasite, Mag Sail, Solar Moth, and Non-Keplerian Orbits that offer us powerful foundations for advanced, Kardashev-scale space development. 

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Reaching new worlds is a difficult task, but transplanting ecosystem and civilizations to them may be even harder.

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Reaching new worlds is a difficult task, but transplanting ecosystem and civilizations to them may be even harder.

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Our Final monthly livestream Q&A session recorded on New Year's Eve Sunday, December 31, 2023

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Our future lies among the stars, and many challenges must be overcome to reach them. One of those challenges is making sure our ships don’t crash into our own garbage littering orbit.

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Our future lies among the stars, and many challenges must be overcome to reach them. One of those challenges is making sure our ships don’t crash into our own garbage littering orbit.

Watch my exclusive video The Fermi Paradox Hermit Shoplifter Hypothesis: https://nebula.tv/videos/isaacarthur-the-fermi-paradox-hermit-shoplifter-hypothesis

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We often discuss if space travel is feasible and if we can settle strange new worlds, but if we can, there is still the question of if we will.

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We often discuss if space travel is feasible and if we can settle strange new worlds, but if we can, there is still the question of if we will.

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In the grandeur of the universe, the tapestry of life may be woven from stranger threads than we ever dared to dream, and spun from materials far different to our own.

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In the grandeur of the universe, the tapestry of life may be woven from stranger threads than we ever dared to dream, and spun from materials far different to our own.

Watch my exclusive video The Fermi Paradox Hermit Shoplifter Hypothesis: https://nebula.tv/videos/isaacarthur-the-fermi-paradox-hermit-shoplifter-hypothesis

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What does science tell us about reality and are there pathways to control, change, or re-create it?

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What does science tell us about reality and are there pathways to control, change, or re-create it?

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Many doubt whether existence has any purpose or meaning, but could entirely civilizations become nihilistic. Would this spell their doom? And if not, what would they be like?

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Many doubt whether existence has any purpose or meaning, but could entirely civilizations become nihilistic. Would this spell their doom? And if not, what would they be like?

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In the future we will travel to strange new worlds, but who will pilot the spaceships that take us there?

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In the future we will travel to strange new worlds, but who will pilot the spaceships that take us there?

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In science fiction we often see immense starships attacking planets, crushing or besieging them, but in our own future we may deploy powerful orbital fortresses to defend our world.

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In science fiction we often see immense starships attacking planets, crushing or besieging them, but in our own future we may deploy powerful orbital fortresses to defend our world.

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In the past, we had entire civilizations devoted to agriculture, but in the future, we might have entire planets devoted to it.

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In the past, we had entire civilizations devoted to agriculture, but in the future, we might have entire planets devoted to it.

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In order to survive and thrive in space, we have to be able to create and maintain clean and comfortable living spaces, and remain vigilant nothing disease or virus reaches Earth.

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In order to survive and thrive in space, we have to be able to create and maintain clean and comfortable living spaces, and remain vigilant nothing disease or virus reaches Earth.

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Among the billions and billions of planets and moons in this galaxy, we may encounter many examples of double planets, but what would they be like and could life arise on them?

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Among the billions and billions of planets and moons in this galaxy, we may encounter many examples of double planets, but what would they be like and could life arise on them?

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Visions of a settled Mars always seem to have vast domes, but is a future on the Red Planet a domed one? And how should they be built?

Compare news coverage. Spot media bias. Avoid algorithms. Be well informed. Download the free Ground News app at https://ground.news/isaacarthur

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New World's Space Cowboy Ball: https://newworlds.space/

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Visions of a settled Mars always seem to have vast domes, but is a future on the Red Planet a domed one? And how should they be built?

Compare news coverage. Spot media bias. Avoid algorithms. Be well informed. Download the free Ground News app at https://ground.news/isaacarthur

To learn more about the NSS spUN Debates and how to participate, visit: https://space.nss.org/spun-debates/

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As we search the heavens for signs of alien life, is it possible that the easiest place to find aliens is to look in the mirror?

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As we search the heavens for signs of alien life, is it possible that the easiest place to find aliens is to look in the mirror?

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In the grand theater of the cosmos, amidst a myriad of distant suns and ancient galaxies, the Fermi Paradox presents a haunting silence, where a cacophony of alien conversations should exist. Where is Everyone? Or are we alone?

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In the grand theater of the cosmos, amidst a myriad of distant suns and ancient galaxies, the Fermi Paradox presents a haunting silence, where a cacophony of alien conversations should exist. Where is Everyone? Or are we alone?

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Throughout history it has been common for distant colonies to break away from their homeland. In a future where colonies are entire planets and light years from home, shall history repeat itself?

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Throughout history it has been common for distant colonies to break away from their homeland. In a future where colonies are entire planets and light years from home, shall history repeat itself?

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Our penultimate monthly livestream Q&A session recorded on Sunday, October 29, 2023, at 4pm EST.

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In some of our greatest wars on this world we have seen entire regions covered in fortifications, but in great wars across whole regions of our galaxy, could we see entire planets fortified?

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In some of our greatest wars on this world we have seen entire regions covered in fortifications, but in great wars across whole regions of our galaxy, could we see entire planets fortified?

Learn more about the game and see it in action at upperstory.com/spintronics

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As medical science improves and lifespans rise, we must consider not only if life extension is possible, but if it is ethical.

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As medical science improves and lifespans rise, we must consider not only if life extension is possible, but if it is ethical.

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The industrial revolution saw the rise of factories so big they often grew entire towns or cities around them to operate, but in the future entire planets might be used to fuel the titanic projects for conquering the stars themselves. 

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The industrial revolution saw the rise of factories so big they often grew entire towns or cities around them to operate, but in the future entire planets might be used to fuel the titanic projects for conquering the stars themselves. 

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Spacecraft may one day be so common that everyone has flown on one, with thousands of new spaceships being built every year in manufacturies dwarfing the enormous facilities we build planes and sea-going vessels in. 

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Spacecraft may one day be so common that everyone has flown on one, with thousands of new spaceships being built every year in manufacturies dwarfing the enormous facilities we build planes and sea-going vessels in. 

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We often wonder where we might find a truly sustainable and abundant source of energy, and the answer might turn out to be in the emptiness all around us.

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We often wonder where we might find a truly sustainable and abundant source of energy, and the answer might turn out to be in the emptiness all around us.

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A collection of the first 20 Shorts from SFIA, covering a wide range of topics in science & space.

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Space is often called the final frontier, a place of billions and billions of worlds awaiting explorers and pioneers. But what will those journeys be like, and what gear will people need for them, and perhaps most importantly of all, what sort of people will make those travels?

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Space is often called the final frontier, a place of billions and billions of worlds awaiting explorers and pioneers. But what will those journeys be like, and what gear will people need for them, and perhaps most importantly of all, what sort of people will make those travels?

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A collection of the first 20 Shorts from SFIA, covering a wide range of topics in science & space.

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Our monthly livestream Q&A session recorded on Sunday September 24, 2023, at 4pm EST.

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Science fiction has popularized asteroid mining and cities in the sky, but could the future of mining be in cloud cities hanging far above distant worlds?

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Science fiction has popularized asteroid mining and cities in the sky, but could the future of mining be in cloud cities hanging far above distant worlds?

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The cosmos seem silent and empty of any great interstellar empires, but perhaps they once existed, and if so, what titanic ruins might they have left behind?

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The cosmos seem silent and empty of any great interstellar empires, but perhaps they once existed, and if so, what titanic ruins might they have left behind?

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They say space is the future, out among the countless billions and billions of new worlds in our galaxy, but a journey needs a path or road, so what sort of roads will we build in space?

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They say space is the future, out among the countless billions and billions of new worlds in our galaxy, but a journey needs a path or road, so what sort of roads will we build in space?

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To travel between the stars requires vast amounts of fuel and energy, but as it turns out, the ocean of night in deep space is full of fuel, if you can collect it along the way.

The Fishback ramjet revisited: https://www.sciencedirect.com/science/article/pii/S0094576521005804

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To travel between the stars requires vast amounts of fuel and energy, but as it turns out, the ocean of night in deep space is full of fuel, if you can collect it along the way.

The Fishback ramjet revisited: https://www.sciencedirect.com/science/article/pii/S0094576521005804

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We often dream of a future out in the galaxy, exploring and settling strange new worlds under the light of alien suns, but what would living in space truly be like?

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We often dream of a future out in the galaxy, exploring and settling strange new worlds under the light of alien suns, but what would living in space truly be like?

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Many millennia from now we may have journeyed out to colonize billions and billions of planets in our galaxy, but every journey has to start somewhere.

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Many millennia from now we may have journeyed out to colonize billions and billions of planets in our galaxy, but every journey has to start somewhere.

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SFIA Monthly Livestream Q&A #57: August 27, 2023 

Our monthly livestream Q&A session recorded on 57: August 27, 2023 at 4pm EST.

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Humanity has evolved in the face of much hardship and turmoil, and invented technologies to aid us, but could an end to hardships be our undoing and cause us to devolve?

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Humanity has evolved in the face of much hardship and turmoil, and invented technologies to aid us, but could an end to hardships be our undoing and cause us to devolve?

Go to the link: https://imprintapp.com/isaacarthur - The first 200 subscribers get 20% off an annual membership

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Comets have awed, amazed, and even terrified humanity for thousands of years, with many believing they heralded the end of the world, but could they be the key to reaching and creating new worlds?

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Comets have awed, amazed, and even terrified humanity for thousands of years, with many believing they heralded the end of the world, but could they be the key to reaching and creating new worlds?

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In the future we may deploy armies of cybernetic superhumans to fight our battles, people so augmented they could tear through walls or dodge bullets. But would these invincible warriors be willing to fight for mundane humans, or merely fight each other to rule us?

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In the future we may deploy armies of cybernetic superhumans to fight our battles, people so augmented they could tear through walls or dodge bullets. But would these invincible warriors be willing to fight for mundane humans, or merely fight each other to rule us?

Go to https://brilliant.org/IsaacArthur/ to get a 30-day free trial + the first 200 people will get 20% off their annual subscription.

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Eons from now the last stars will be born, living trillions of years before they too fade out, and in the gathering darkness will come the final sunset on the last planet.

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Eons from now the last stars will be born, living trillions of years before they too fade out, and in the gathering darkness will come the final sunset on the last planet.

Go to https://buyraycon.com/isaacarthur for 15% off your order! Brought to you by Raycon.

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To celebrate 750,000 subscribers we're taking a look at the benefits and disadvantages of settling and terraforming planets vs constructing megastructure space habitats

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To celebrate 750,000 subscribers we're taking a look at the benefits and disadvantages of settling and terraforming planets vs constructing megastructure space habitats

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A Space Elevator on the Moon, made of mundane materials, could be built with modern technology, and allow ultra-cheap freight off the Moon.

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A Space Elevator on the Moon, made of mundane materials, could be built with modern technology, and allow ultra-cheap freight off the Moon.

Watch my exclusive video on Retrocausality: https://nebula.tv/videos/isaacarthur-retrocausality

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SFIA Monthly Livestream Q&A #56 - July 30, 2023

Our monthly livestream Q&A session recorded on Sunday July 30, 2023, at 4pm EST.

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The ability to get a strike force anywhere and fast is of vast strategic value, and the future may dropships landing anywhere on a planet within minutes.

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The ability to get a strike force anywhere and fast is of vast strategic value, and the future may dropships landing anywhere on a planet within minutes.

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Our search for extraterrestrial life assumes alien life based on water and carbon, but could there be biochemistries based on other substances?

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Our search for extraterrestrial life assumes alien life based on water and carbon, but could there be biochemistries based on other substances?

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Robots play an ever greater role in every aspect of our lives, including the battlefield, but what will their role be in the wars of the future?

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Robots play an ever greater role in every aspect of our lives, including the battlefield, but what will their role be in the wars of the future?

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Humanity has often preferred to move its communities, and in the future we might do that by moving our entire cities, by air, sea, or land.

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Humanity has often preferred to move its communities, and in the future we might do that by moving our entire cities, by air, sea, or land.

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After over half a century, it is time to return to the Moon, and use its vast resources as a bridge to countless new worlds. 

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After over half a century, it is time to return to the Moon, and use its vast resources as a bridge to countless new worlds. 

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We often think that one day the world will come to an end and humanity with it, and possibly with us causing it, but what would our world be like if life persisted after humanity was gone?

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We often think that one day the world will come to an end and humanity with it, and possibly with us causing it, but what would our world be like if life persisted after humanity was gone?

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What will life be like 300 years in our future, or for those living 300 million miles away?

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What will life be like 300 years in our future, or for those living 300 million miles away?

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For as long as we have had history and likely before, people have contemplated a life after this one, but might we one day create artificial afterlives? And if so, will we create heavens or hells?

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For as long as we have had history and likely before, people have contemplated a life after this one, but might we one day create artificial afterlives? And if so, will we create heavens or hells?

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Could there be universes with more than 3 Dimensions? And if so, could life exist there?

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Could there be universes with more than 3 Dimensions? And if so, could life exist there?

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One day we may retire our rockets and instead reach the heavens by ascending towers so tall they dwarf mountains, and rise above the sky itself. 

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One day we may retire our rockets and instead reach the heavens by ascending towers so tall they dwarf mountains, and rise above the sky itself. 

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We often discuss our future in the Asteroid Belt, and the glorious civilizations we might one day build there. However, it is but a pale shadow of its larger twin, the Kuiper Belt, out at the edge of the solar system.

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We often discuss our future in the Asteroid Belt, and the glorious civilizations we might one day build there. However, it is but a pale shadow of its larger twin, the Kuiper Belt, out at the edge of the solar system.

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The goal of science is to understand and master the Universe around us, but could our skill grow so great that we could learn to warp reality itself?

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The goal of science is to understand and master the Universe around us, but could our skill grow so great that we could learn to warp reality itself?

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One day we may encounter intelligent aliens, but can we ever hope to understand their psychology and coexist with them if we do?

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The galaxy is a dark, mysterious, and silent place - perhaps it is quiet and empty because some great predator already consumed all in its path, and if so, might we be next?

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The galaxy is a dark, mysterious, and silent place - perhaps it is quiet and empty because some great predator already consumed all in its path, and if so, might we be next?

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Science fiction often shows us dark, grimy, dystopian mega-cities in the future, but are such planet-wide cities possible, what would they be like, and how many people could they hold?

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Science fiction often shows us dark, grimy, dystopian mega-cities in the future, but are such planet-wide cities possible, what would they be like, and how many people could they hold?

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Our Universe is vast, ancient, and mysterious. It's no surprise that in our quest to explore and explain it, many misconceptions have arisen.

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Our Universe is vast, ancient, and mysterious. It's no surprise that in our quest to explore and explain it, many misconceptions have arisen.

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Many believe civilizations which survive the challenges of technology will inevitability build Dyson Spheres encompassing their entire sun. So how do we find these megastructures if they exist?

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Many believe civilizations which survive the challenges of technology will inevitability build Dyson Spheres encompassing their entire sun. So how do we find these megastructures if they exist?

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Cities in the future will need to be increasingly clever in how they operate, by utilizing more data collection, automation, and artificial intelligence to serve its citizens and businesses. 

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Cities in the future will need to be increasingly clever in how they operate, by utilizing more data collection, automation, and artificial intelligence to serve its citizens and businesses. 

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Our monthly livestream Q&A session recorded on Sunday April 23, 2023, at 4pm EST.

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We often contemplate life on alien planets, but might giant moons orbiting distant immense worlds be a better candidate for where extraterrestrial life might be found?

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We often contemplate life on alien planets, but might giant moons orbiting distant immense worlds be a better candidate for where extraterrestrial life might be found?

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Our history has been one of inventing ever more devastating and unstoppable weapons, and yet they may pale in comparison to those made to wreck whole galaxies or tear asunder reality itself.

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Our history has been one of inventing ever more devastating and unstoppable weapons, and yet they may pale in comparison to those made to wreck whole galaxies or tear asunder reality itself.

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Small Modular Reactors are a promising area of nuclear technology that may be the pathway forward to cheap, safe, and sustainable energy.

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Small Modular Reactors are a promising area of nuclear technology that may be the pathway forward to cheap, safe, and sustainable energy.

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Our galaxy is a dangerous place for life. A vast storm of stars in which new ones are born and die in deadly displays. How much of the galaxy is truly safe for life to emerge in? 

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Our galaxy is a dangerous place for life. A vast storm of stars in which new ones are born and die in deadly displays. How much of the galaxy is truly safe for life to emerge in? 

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In order to reach the stars we will need vastly more powerful engines for our spacecraft than modern rockets offer. Fortunately, when it comes to possible ship drives, the sky is not the limit.

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In order to reach the stars we will need vastly more powerful engines for our spacecraft than modern rockets offer. Fortunately, when it comes to possible ship drives, the sky is not the limit.

Offset your carbon footprint with confidence with Wren--the first 100 people to sign up will have one month of emissions offset for free: https://wren.co/start/isaacarthur

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Many speculate that the world isn't real, that it a dream or simulation, but if it is, how to we get out of it or control it?

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George Hoyt Video: https://www.youtube.com/watch?v=ESXOAJRdcwQ

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Many speculate that the world isn't real, that it a dream or simulation, but if it is, how to we get out of it or control it?

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George Hoyt Video: https://www.youtube.com/watch?v=ESXOAJRdcwQ

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Powerful new technologies are helping us learn more about our past, uncovering lost cities and recreating documents that time destroyed.

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Powerful new technologies are helping us learn more about our past, uncovering lost cities and recreating documents that time destroyed.

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If the end of the world is nigh, it may be too late to avert a catastrophe. So what can we do to mitigate the damage or recover after a cataclysm comes?

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If the end of the world is nigh, it may be too late to avert a catastrophe. So what can we do to mitigate the damage or recover after a cataclysm comes?

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Far beyond our Moon and Mars and the other planets is our greater galaxy and its billions and billions of stars. And yet it is but a flyspeck compared to the enormity of the Universe beyond. Could we every voyage to these distant galaxies?

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Far beyond our Moon and Mars and the other planets is our greater galaxy and its billions and billions of stars. And yet it is but a flyspeck compared to the enormity of the Universe beyond. Could we every voyage to these distant galaxies?

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For humanity to explore space and distant worlds, we will need to construct enormous artificial habitats in space with diverse ecologies.

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For humanity to explore space and distant worlds, we will need to construct enormous artificial habitats in space with diverse ecologies.

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A recording of SFIA's monthly livestream Q&A session [#52] from February 26, 2023

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Alpha Centauri may be the closest star system to us, but reaching it will be the voyage of a lifetime.

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Alpha Centauri may be the closest star system to us, but reaching it will be the voyage of a lifetime.

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If travel to other realities and multiverses is possible, then so is conflict between them, but how would a multiversal war be fought?

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If travel to other realities and multiverses is possible, then so is conflict between them, but how would a multiversal war be fought?

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Our telescopes find new exoplanets and reveal deeper details about them everyday, unveiling massive hydrogen-rich atmosphere planets and icy worlds which may be able to harbor life even far from any star.

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Our telescopes find new exoplanets and reveal deeper details about them everyday, unveiling massive hydrogen-rich atmosphere planets and icy worlds which may be able to harbor life even far from any star.

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We often see stories of invincible warriors with superhuman abilities combating monstrous threats, but are the days of super soldiers nearly upon us, and could they be the biggest threat of all?

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We often see stories of invincible warriors with superhuman abilities combating monstrous threats, but are the days of super soldiers nearly upon us, and could they be the biggest threat of all?

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Once we journey out to the stars, we will need to forge new worlds to live on. Choosing the best terraforming techniques for each planet and star system will be vital to surviving on alien worlds.

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...

Once we journey out to the stars, we will need to forge new worlds to live on. Choosing the best terraforming techniques for each planet and star system will be vital to surviving on alien worlds.

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A recording of SFIA's monthly livestream Q&A session [#51] from January 29, 2023.

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Asteroids may serve as future bases and colonies for humanity as we travel into space, but could they also be converted into spaceships to take us strange new worlds around distant stars?

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Asteroids may serve as future bases and colonies for humanity as we travel into space, but could they also be converted into spaceships to take us strange new worlds around distant stars?

Compare news coverage from around the world and across the political spectrum with Ground News: https://ground.news/isaacarthur

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The Omega Point Cosmological Theory argues that it may be possible to continue existing until the End of Time itself.

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The Omega Point Cosmological Theory argues that it may be possible to continue existing until the End of Time itself.

Sign up for a Curiosity Stream subscription and also get a free Nebula subscription (the streaming platform built by creators) here: https://curiositystream.com/isaacarthur

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When we look up into the night skies, all we see is absence and silence, but could our galaxy be a dark forest full of hidden predators waiting to consume us?

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When we look up into the night skies, all we see is absence and silence, but could our galaxy be a dark forest full of hidden predators waiting to consume us?

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A day may come when our technology permits vast prosperity for everyone, with robots and other automation producing plenty, but if that day never comes, what will life be like?

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A day may come when our technology permits vast prosperity for everyone, with robots and other automation producing plenty, but if that day never comes, what will life be like?

Visit https://brilliant.org/isaacarthur/ to get started learning STEM for free, and the first 200 people will get 20% off their annual premium subscription.

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As we seek to travel vast distances to claim the galaxy, we will need to develop strategies and methods for voyaging through deep space and reaching strange new worlds.

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As we seek to travel vast distances to claim the galaxy, we will need to develop strategies and methods for voyaging through deep space and reaching strange new worlds.

Go to http://hover.com/isaacarthur and get 10% off any domain name from Hover -

extensions for anything you’re passionate about.

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Our monthly livestream Q&A session. Join us on New Year's Eve in the Afternoon, at 4pm EST, Saturday, December 31, and get your questions about the channel and episodes on chat to be answered! 

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In the future, humanity may embrace genetic engineering and cybernetic augmentation of mind and body, but what does this Transhuman future look like? And should we embrace or resist these paths?

To claim your matching donation with Givewell, go to https://www.givewell.org/isaac

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In the future, humanity may embrace genetic engineering and cybernetic augmentation of mind and body, but what does this Transhuman future look like? And should we embrace or resist these paths?

To claim your matching donation with Givewell, go to https://www.givewell.org/isaac

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Could our entire Universe be one enormous Black Hole? And is it possible to live inside a black hole?

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Could our entire Universe be one enormous Black Hole? And is it possible to live inside a black hole?

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One day humanity might settle the Red Planet, but how will we grow food on world more barren than any desert or tundra on Earth?

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One day humanity might settle the Red Planet, but how will we grow food on world more barren than any desert or tundra on Earth?

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Wars in the future may involve vast interplanetary conflicts or civil wars sprawling over an entire world or more, but what will those wars look like?

Start listening with a 30-day Audible trial and your first audiobook is free. Visit http://www.audible.com/isaac or text "isaac" to 500-500.

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Wars in the future may involve vast interplanetary conflicts or civil wars sprawling over an entire world or more, but what will those wars look like?

Start listening with a 30-day Audible trial and your first audiobook is free. Visit http://www.audible.com/isaac or text "isaac" to 500-500.

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As we continue to scan the heavens for signs of intelligent life, we must contemplate what it might mean if we are the first civilization to ever arise.

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As we continue to scan the heavens for signs of intelligent life, we must contemplate what it might mean if we are the first civilization to ever arise.

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One day we may get a signal from beyond Earth, positive proof of the Existence of Extraterrestrial Life... but what comes next?

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One day we may get a signal from beyond Earth, positive proof of the Existence of Extraterrestrial Life... but what comes next?

Sign up for a Curiosity Stream subscription and also get a free Nebula subscription (the streaming platform built by creators) here: https://curiositystream.com/isaacarthur

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Our monthly livestream Q&A session for Sunday, November 27, 2022, where we take questions live from the audience.

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As we head through hard times things can seem rather bleak, but there's lots of amazing and beneficial technologies on the horizon.

Compare news coverage. Spot media bias. Avoid algorithms. Be well informed. Download the free Ground News app at https://ground.news/isaacarthur

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As we head through hard times things can seem rather bleak, but there's lots of amazing and beneficial technologies on the horizon.

Compare news coverage. Spot media bias. Avoid algorithms. Be well informed. Download the free Ground News app at https://ground.news/isaacarthur

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Many have believed Earth might have a spirit, but Lovelock's Gaia Hypothesis contemplates this as a scientific possibility. Could our world be alive itself?

Visit https://brilliant.org/isaacarthur/ to get started learning STEM for free, and the first 200 people will get 20% off their annual premium subscription.

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Many have believed Earth might have a spirit, but Lovelock's Gaia Hypothesis contemplates this as a scientific possibility. Could our world be alive itself?

Visit https://brilliant.org/isaacarthur/ to get started learning STEM for free, and the first 200 people will get 20% off their annual premium subscription.

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As we reach out to explore the stars, could we find our explorers getting lost on new worlds, inhabited or otherwise. What should we do if stranded on an Alien World?

Start listening with a 30-day Audible trial and your first audiobook is free. Visit http://www.audible.com/isaac or text "isaac" to 500-500.

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As we reach out to explore the stars, could we find our explorers getting lost on new worlds, inhabited or otherwise. What should we do if stranded on an Alien World?

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Many fear that future automation may turn out to be the bane of civilization rather than its liberator. How do we ensure we take the path to a prosperous world and not one of ruin?

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Many fear that future automation may turn out to be the bane of civilization rather than its liberator. How do we ensure we take the path to a prosperous world and not one of ruin?

Go to https://buyraycon.com/isaacarthur and use code EARLYBF for 20% off sitewide! Brought to you by Raycon.

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One day our Sun will die, and consume our world in fire, but is it possible to refuel our Sun so that it might live trillions and trillions of year to come?

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One day our Sun will die, and consume our world in fire, but is it possible to refuel our Sun so that it might live trillions and trillions of year to come?

Sign up for a Curiosity Stream subscription and also get a free Nebula subscription (the streaming platform built by creators) here: https://curiositystream.com/isaacarthur

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Our monthly livestream Q&A session for Sunday, October 30, 2022, where we take questions live from the audience.

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Spaceships getting damaged or crashing is common story in science fiction but it's also terrifyingly common with real spaceships. So what do we if our spaceship gets damaged?

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Spaceships getting damaged or crashing is common story in science fiction but it's also terrifyingly common with real spaceships. So what do we if our spaceship gets damaged?

Go to https://nordvpn.com/isaacarthur to get a 2-year plan plus 4 additional months with a HUGE discount. It’s risk-free with Nord’s 30-day money-back guarantee! 

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Many of us dream of one day owning our on spacecraft, of traveling to space and other worlds when we choose to. What technologies must the future deliver to make this dream a reality?

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Many of us dream of one day owning our on spacecraft, of traveling to space and other worlds when we choose to. What technologies must the future deliver to make this dream a reality?

Visit https://brilliant.org/isaacarthur/ to get started learning STEM for free, and the first 200 people will get 20% off their annual premium subscription.

Watch the Video Version: https://youtu.be/t9WvRVAAAa4

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Visit our Website: http...

Among the uncounted stars in this Universe there may be unnumbered strange new worlds, many of which may have environments unlike anything we've ever imagined.

Start listening with a 30-day Audible trial and your first audiobook is free. Visit http://www.audible.com/isaac or text "isaac" to 500-500.

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Among the uncounted stars in this Universe there may be unnumbered strange new worlds, many of which may have environments unlike anything we've ever imagined.

Start listening with a 30-day Audible trial and your first audiobook is free. Visit http://www.audible.com/isaac or text "isaac" to 500-500.

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One day our destiny may take us to the stars, but what happens if we find we are unable, or unwilling, to journey to new worlds, and remain only on Earth?

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One day our destiny may take us to the stars, but what happens if we find we are unable, or unwilling, to journey to new worlds, and remain only on Earth?

Click the link in the description box or go to https://buyraycon.com/isaacarthur to get 15% off your Raycon purchase!

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Saturn's Moon Titan captures our attention as a future colony, but might the majestic rings of Saturn and other planetary rings be better places to transplant life, and could life arise naturally among those orbital icefields?

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Saturn's Moon Titan captures our attention as a future colony, but might the majestic rings of Saturn and other planetary rings be better places to transplant life, and could life arise naturally among those orbital icefields?

Sign up for a Curiosity Stream subscription and also get a free Nebula subscription (the streaming platform built by creators) here: https://curiositystream.com/isaacarthur

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The new Grabby Aliens model proposes that the Universe may already contain several thousand immense alien empires... and that we may soon be one of them.

Start Forging New Worlds: https://www.worldanvil.com/isaac-arthur

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The new Grabby Aliens model proposes that the Universe may already contain several thousand immense alien empires... and that we may soon be one of them.

Start Forging New Worlds: https://www.worldanvil.com/isaac-arthur

See the Grabby Aliens Paper & Presentations: https://grabbyaliens.com

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Our monthly livestream Q&A session for Sunday, September 25, 2022, where we take questions live from the audience.

Support the stream: https://streamlabs.com/isaacarthur

Catch the audio-only show on Soundcloud: https://soundcloud.com/isaac-arthur-148927746

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For centuries now science has unlocked ever more mysteries, but could we one day run out of discoveries or abandon further research?

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For centuries now science has unlocked ever more mysteries, but could we one day run out of discoveries or abandon further research?

Visit https://brilliant.org/isaacarthur/ to get started learning STEM for free, and the first 200 people will get 20% off their annual premium subscription.

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Kardashev Civilizations are beyond immense, with even the first tier of them making any modern nation look miniscule, and there are many barriers to becoming one.

Go to https://nordvpn.com/isaacarthur to get a 2-year plan plus 4 additional months with a HUGE discount. It’s risk-free with Nord’s 30-day money-back guarantee!

Megastructures Book: https://artofsoulburn.gumroad.com/l/qnntu

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Kardashev Civilizations are beyond immense, with even the first tier of them making any modern nation look miniscule, and there are many barriers to becoming one.

Go to https://nordvpn.com/isaacarthur to get a 2-year plan plus 4 additional months with a HUGE discount. It’s risk-free with Nord’s 30-day money-back guarantee!

Megastructures Book: https://artofsoulburn.gumroad.com/l/qnntu

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The idea that some mimic might steal your identity and replace you, or takeover your mind, is terrifying. But could we encounter aliens that were able to do this?

Start listening with a 30-day Audible trial and your first audiobook is free. Visit http://www.audible.com/isaac or text "isaac" to 500-500.

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The idea that some mimic might steal your identity and replace you, or takeover your mind, is terrifying. But could we encounter aliens that were able to do this?

Start listening with a 30-day Audible trial and your first audiobook is free. Visit http://www.audible.com/isaac or text "isaac" to 500-500.

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To get into space in a big way we need to be able to move vast amounts of people and cargo to space at a fraction of modern costs; tethered rings offer a potentially practical path to do that using only modern technology.

Visit https://brilliant.org/isaacarthur/ to get started learning STEM for free, and the first 200 people will get 20% off their annual premium subscription.

Project Atlantis: https://www.project-atlantis.com

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To get into space in a big way we need to be able to move vast amounts of people and cargo to space at a fraction of modern costs; tethered rings offer a potentially practical path to do that using only modern technology.

Visit https://brilliant.org/isaacarthur/ to get started learning STEM for free, and the first 200 people will get 20% off their annual premium subscription.

Project Atlantis: https://www.project-atlantis.com

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Space is deadly and our spaceships and stations are cramped and thin-protected environments, placing enormous stress on those who journey there. So how to we keep from going crazy while we explore strange new worlds?

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Space is deadly and our spaceships and stations are cramped and thin-protected environments, placing enormous stress on those who journey there. So how to we keep from going crazy while we explore strange new worlds?

Sign up for a Curiosity Stream subscription and also get a free Nebula subscription (the streaming platform built by creators) here: https://curiositystream.com/isaacarthur

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Our monthly livestream Q&A session. Join us on 4pm EST, Sunday, August 28, 2022, and get your questions about the channel and episodes on chat to be answered!

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One day humanity will settle space, but what will that first settlement be like and where will it be? In Orbit? The Moon? Mars? Or somewhere else entirely?

Visit https://brilliant.org/isaacarthur/ to get started learning STEM for free, and the first 200 people will get 20% off their annual premium subscription.

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One day humanity will settle space, but what will that first settlement be like and where will it be? In Orbit? The Moon? Mars? Or somewhere else entirely?

Visit https://brilliant.org/isaacarthur/ to get started learning STEM for free, and the first 200 people will get 20% off their annual premium subscription.

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Temporal Paradox and Time Travel delight us in science fiction, but what would a war across time really look like?

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Temporal Paradox and Time Travel delight us in science fiction, but what would a war across time really look like?

Click the link in the description box or go to https://buyraycon.com/isaacarthur to get 15% off your Raycon purchase!

Watch the Video Version: https://youtu.be/H5KI001O9GQ

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An Alien Invasion of Earth is a terrifying scenario, yet science fiction rarely has good reason for those invasions. Today we'll discuss the worst reasons aliens invade in fiction and some plausible scenarios for why they might do it in fact.

Start listening with a 30-day Audible trial and your first audiobook is free. Visit http://www.audible.com/isaac or text "isaac" to 500-500.

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An Alien Invasion of Earth is a terrifying scenario, yet science fiction rarely has good reason for those invasions. Today we'll discuss the worst reasons aliens invade in fiction and some plausible scenarios for why they might do it in fact.

Start listening with a 30-day Audible trial and your first audiobook is free. Visit http://www.audible.com/isaac or text "isaac" to 500-500.

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Support us on Patreon: https://www.patreon.com/IsaacArthur

Support us on Subscribestar...

We often wonder where all the aliens are out in the galaxy, but could it be that the technologies needed to get to space and travel the stars lead to inevitable catastrophe?

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We often wonder where all the aliens are out in the galaxy, but could it be that the technologies needed to get to space and travel the stars lead to inevitable catastrophe?

Visit our Website: http://www.isaacarthur.net

Support us on Patreon: https://www.patreon.com/IsaacArthur

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Aliens may one day visit Earth not to invade us but to seek refuge from an invasion or other calamity, how can we respond and should we?

Sign up for a Curiosity Stream subscription and also get a free Nebula subscription (the streaming platform built by creators) here: https://curiositystream.com/isaacarthur

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Aliens may one day visit Earth not to invade us but to seek refuge from an invasion or other calamity, how can we respond and should we?

Sign up for a Curiosity Stream subscription and also get a free Nebula subscription (the streaming platform built by creators) here: https://curiositystream.com/isaacarthur

Watch the Video Version: https://youtu.be/xIHruU0WSDs

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Support us on Subscribestar: https://www.subscribestar.com/isaac-arthur<...

Our monthly livestream Q&A session for July 31, 2022

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Black Holes and Dark Matter are two of those mysterious things in the Universe, but could black holes be the key to unlocking the secrets of Dark Matter?

Visit brilliant.org/isaacarthur/ to get started learning STEM for free, and the first 200 people will get 20% off their annual premium subscription.

Watch the Video Version: youtu.be/H68VZXmjBUk

Direct detection of primordial black hole relics as dark matter: arxiv.org/abs/1906.06348

Search for gamma-ray emission from p-wave dark matter annihilation in the Galactic Center: arxiv.org/abs/1904.06261

Visit our Websi...

Black Holes and Dark Matter are two of those mysterious things in the Universe, but could black holes be the key to unlocking the secrets of Dark Matter?

Visit brilliant.org/isaacarthur/ to get started learning STEM for free, and the first 200 people will get 20% off their annual premium subscription.

Watch the Video Version: youtu.be/H68VZXmjBUk

Direct detection of primordial black hole relics as dark matter: arxiv.org/abs/1906.06348

Search for gamma-ray emission from p-wave dark matter annihilation in the Galactic Center: arxiv.org/abs/1904.06261

Visit our Websi...

The great mystery of where all the aliens are in our vast Universe contemplates ancient interstellar civilizations building enormous megastructures that rival worlds or even stars in the immensity... and asks why we can't see these giant alien artifacts.

Sign up for a Curiosity Stream subscription and also get a free Nebula subscription (the streaming platform built by creators) here: https://curiositystream.com/isaacarthur

Watch the Video Version: https://youtu.be/caE0HVD3jaQ

Event Horizon with John Michael Godier: https://www.youtube.com/c/EventHorizonShow

The great mystery of where all the aliens are in our vast Universe contemplates ancient interstellar civilizations building enormous megastructures that rival worlds or even stars in the immensity... and asks why we can't see these giant alien artifacts.

Sign up for a Curiosity Stream subscription and also get a free Nebula subscription (the streaming platform built by creators) here: https://curiositystream.com/isaacarthur

Watch the Video Version: https://youtu.be/caE0HVD3jaQ

Event Horizon with John Michael Godier: https://www.youtube.com/c/EventHorizonShow

We often imagine Earth being visited by more advanced civilizations, but in the future humanity may encounter more primitive ones on alien worlds. What challenges and dilemmas would we face?

Start listening with a 30-day Audible trial and your first audiobook is free. Visit www.audible.com/isaac or text "isaac" to 500-500.

Watch the Video Version: youtu.be/UxEpybDpmGA

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We often imagine Earth being visited by more advanced civilizations, but in the future humanity may encounter more primitive ones on alien worlds. What challenges and dilemmas would we face?

Start listening with a 30-day Audible trial and your first audiobook is free. Visit www.audible.com/isaac or text "isaac" to 500-500.

Watch the Video Version: youtu.be/UxEpybDpmGA

Visit our Website: www.isaacarthur.net

Support us on Patreon: www.patreon.com/IsaacArthur

Support us on Subscribestar: www.subscribestar.com/isaac-arthur

Facebook Group: www.fac...