Science & Futurism with Isaac Arthur

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Civilizations at the Beginning of Time
Episode overview

Our Universe is billions of years older than our planet, and we often contemplate alien civilizations that might have arisen early than us in our galaxy, but just how early could life have arisen?

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Cryonics: Frozen Civilizations
Episode overview

Cryonic freezing offers a pathway to reap future medical technologies today by preserving someone for future restoration, but what would the impact of this technology be on civilization?

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Machine Overlords & Post-Discontent Societies
Episode overview

Machines may help bring about a Post-Scarcity Utopia, assuming they don't take over instead, and we dream of a future that is a Post-Scarcity Utopia, but its dark reflection is the .. show full overview

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Oceanic Aliens
Episode overview

Water is one of the most common substances in the Universe, and Earth has far more seas than land and life arose in the ocean first. Planets covered entirely in water may be common and abundant with life, including intelligence extraterrestrial life.

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Colonizing Red Dwarfs
Episode overview

For every yellow star like our own there are ten times as many smaller stars. Red Dwarfs are the most common type of star, outnumbering all the others combined, and as we head out into .. show full overview

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SFIA Monthly Livestream: January 31, 2021
Episode overview

Our monthly livestream Q&A session. Join us 4pm EST, Sunday, January 31, 2021, and get your questions about the channel and episodes on chat to be answered!

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Zero-Gravity Civilizations
Episode overview

Colonizing space and settling the minor planets and asteroids may mean adjusting to much lower levels of gravity, or micro-gravity, what sort of biological and cultural adaptations might that require of humanity?

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Dark Matter Technologies
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Dark Matter is both the most abundant and most mysterious substance in the Universe, what properties does it have and what technologies might we create to use it in the future?

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Multi-Species Civilizations & Co-Alien Habitats
Episode overview

Science Fiction often shows us aliens and human living among one another in space, but how realistic are such portrayals and what sort of accommodation would extraterrestrials need for .. show full overview

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Orbital Bombardment
Episode overview

They say you should always attack from the high ground, and there's no higher ground than from orbit. Today we'll examine orbital strikes, asteroid bombardment, kinetic weapons, dropships, and how to defend from them.

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Colonizing Giant Stars
Episode overview

Giant Stars are often considered too hot and short lived to colonize, but it may be that they shall be the most powerful and pivotal systems in a future galaxy.

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SFIA Monthly Livestream: February 28, 2021
Episode overview

Our monthly livestream Q&A session. Join us 4pm EST, Sunday, February 28, 2021, and get your questions about the channel and episodes on chat to be answered!

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The Next Century of War
Episode overview

Future battlefields will employ ever-more technology, whether that battlefield is on earth, in the sea, in space, or in cyberspace. Today we will examine the roles robots, drones, .. show full overview

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Killing Stars
Episode overview

When the largest of stars dies, the supernova they produce can outshine a whole galaxy, and potentially sterilize vast swathes of space. Future civilizations will need to be able to .. show full overview

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Exo-Stellar Civilizations
Episode overview

Our future in the galaxy is typically envisioned as tied to the stars, be it on planets orbiting them or vast megastructures fueled by the alien suns, and yet the true future of humanity .. show full overview

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Resurrection
Episode overview

Perhaps the most sought after technology is not the ability to extend life, but to restore it once it is gone. We will examine the technological options that may be available to us in the future.

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What is Sentience?
Episode overview

In the future we may encounter or create minds equal to our own, smarter, or somewhere in the gap between human and animal. And yet we still barely understand what concepts like intelligence and sentience truly are.

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SFIA Monthly Livestream: March 28, 2021
Episode overview

Our monthly livestream Q&A session. Join us 4pm EST, Sunday, March 28, 2021, and get your questions about the channel and episodes on chat to be answered!

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AI Run Government
Episode overview

In the future we will rely ever more on Artificial Intelligence to run our civilization, but what role will AI and computers playing in governing?

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The Fermi Paradox: Drake's Equation
Episode overview

Drake's Equation lies at the core of the Fermi Paradox and SETI, the Search for Extra-Terrestrial Intelligence, but is it a good guide in our search for aliens, and what does modern .. show full overview

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The Effects of Longer Lifespans
Episode overview

In the future, medical science may increase lifespan and longevity to the point of near-immortality, but what would be the effects of such technology on our civilization.

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Creating a Sense of Purpose in a Post-Scarcity Society
Episode overview

In the future technology may help us enjoy prosperity beyond our dreams, with robots manufacturing our goods and attending all our needs but one... our need for purpose.

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Post-Human Species
Episode overview

As Humanity moves into the future, traveling to other worlds and exploring genetics, AI, transhumanism, and cybernetics, we may begin to diverge into a thousand post-human species.

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SFIA Monthly Livestream: April 25, 2021
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This episode has no summary.

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The Fermi Paradox: Multiverse
Episode overview

The Fermi Paradox contemplates the weirdness of our galaxy seemingly being devoid of intelligent alien life, but Many Worlds Theory, Multiverses, Parallel Universe, and Alternate Realities may radically alter our thinking on Aliens & SETI.

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Biotech: Human Modification and Augmentation
Episode overview

In the future Biotechnology may allows us repair, modify, or augment humans, but how will this be done? What will these technologies look like and should we embrace them?

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Alien Languages
Episode overview

One day humanity might make contact with an alien race, but will we be able to understand their languages?

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Laser Pistols & Lightsabers
Episode overview

Science fiction amazes us with futuristic technology and weapons, but many like the laser pistol, raygun, or lightsaber seem high-tech versions of old tech. Are such weapons possible and if so, could they have a role in future warfare?

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Arcology Design
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The Fermi Paradox: Solar Flares
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SFIA Monthly Livestream: May 30, 2021
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Could Two Alien Races Evolve on the Same World?
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Future Manhattan Projects
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Death Rays
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Galactic Domination: Empire Eternal
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Brain-Computer Interfaces
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SFIA Monthly Livestream: June 27, 2021
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Cheating Reality
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Galactic Domination: Strip Mining the Galaxy
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The Geopolitics of Space Colonization
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Annoying Aliens
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Mars First vs Moon First
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There's a great debate of whether our next step into space should be a permanent Moon Base or our first manned mission to Mars.

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The End of Earth
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SFIA Monthly Livestream: July 25, 2021
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The Galactic Laboratory
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Embracing Nuclear Power
Episode overview

Nuclear power is a controversial source of energy, seen by some as a miracle source of clean and abundant power, and by others as a source of radioactive waste and danger. But with new .. show full overview

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The Next Space Station
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Aliens Artifacts & Xenoarcheology
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Fusion Propulsion
Episode overview

Fusion is the power of the stars, and if we can master it, we will be able to send our spaceships to others stars.

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The Edge of the Universe
Episode overview

The Universe is immense. Does it have an edge out beyond the Cosmological Event Horizon? Or in time, before the Big Bang? Or in higher dimensions like Hyperspace?

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SFIA Monthly Livestream: August 29, 2021
Episode overview

Our monthly livestream Q&A session. Join us 4pm EST, Sunday, August 29, and get your questions about the channel and episodes on chat to be answered!

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The Future of Thorium
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Human-Machine Teaming
Episode overview

Teaming up with the machines we’ve designed and created has boosted our production and let us attempt things we never could have before, but as Artificial Intelligence emerges, what will Human-Machine Teaming come to look like?

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Stealth Spaceships
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Megastructure Death
Episode overview

Megastructures of the future may range in size from cities to entire galaxies, and must be built to withstand damage and time, but how is this done and what happens when a megastructure dies?

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The Fermi Paradox: Hidden Alien Civilizations
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SFIA Monthly Livestream: September 26, 2021
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A Future Without Money?
Episode overview

Many dream of a future with lots of money, other where currency is a thing of the past, a prosperous post-scarcity civilization, but could such a future be possible and what would a society without money be like?

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Standing Out in a Civilization of Trillions
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The Future of Farming
Episode overview

Advances in farming have let us feed billions. The future of agriculture offers many more innovations in robotics, hydroponics, aquaponics, aeroponics, greenhouses, and more… but will it be a future of mega-farms or small farms?

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Sentient Planets & World Consciousnesses
Episode overview

We often imagine that our planet might be a sentient entity - Gaia - but could something like this evolve under known science? And might a conscious world be something we might create in the future?

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Convergent Evolution
Episode overview

Science Fiction often shows us aliens who look much like humans, and suggest this is a result of convergent evolution to useful traits. But is such convergence to the human form or mind likely with extraterrestrial life?

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Criminal AI
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SFIA Monthly Livestream: October 31, 2021
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Spaceports: Ascending to the Stars
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Solar System Colonization Strategies
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Folding Space
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Belligerent Aliens
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How Colonizing Space Can Save Earth
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SFIA Monthly Livestream: November 28, 2021
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The Fermi Paradox: Digital Empires & Miniaturization
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Upcoming Advances in Material Science
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Colonizing Space: Staking & Jumping Claims
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Vertical Farming
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Escaping the Galaxy
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SFIA Monthly Livestream: December 26, 2021
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Challenges & Predictions for the Next 100 Years
Episode overview

One day humanity might find itself competition on the galactic stage, and need to flee aliens, artificial intelligence, or even other humans. How could the escape pursuit and survive the long exodus to safety?