Space Regulation

Space Regulation

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? Watch my exclusive video Giant Space Monsters:...

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Aliens vs AI

Aliens vs AI

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

Silicon-Based Lifeforms

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:...

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Reality Manipulation

Reality Manipulation

To claim your matching donation with Givewell, go to https://www.givewell.org and select Youtube & Isaac Arthur at checkout! What does science tell us about reality and are there pathways to control, change, or re-create it? Visit our Website:...

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Orbital Defense Platforms

Orbital Defense Platforms

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. Watch my exclusive video The Fermi Paradox Hermit Shoplifter Hypothesis:...

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Rebel Space Colonies

Rebel Space Colonies

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? Watch my exclusive video Ultra-Relativistic Spaceships:...

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Forgeworlds & Industrial Planets

Forgeworlds & Industrial Planets

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. Watch my exclusive video Dark...

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Have Space Suit – Will Travel

Have Space Suit – Will Travel

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...

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Antimatter Rifles

Antimatter Rifles

Antimatter is vastly more dangerous than even nuclear weapons, but warm temperature superconductors may allow it to be weaponized into man-portable machineguns that fired nukes with each shot. Produced, Written & Narrated by: Isaac Arthur Music Courtesy of...

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China Brain Hive Minds

China Brain Hive Minds

The China Brain thought problem suggests that if it is possible for a big enough computer to run an uploaded copy of a human mind, then a sufficiently large number of humans run calculations by hand could too. But if they did, would this represent a Hive Mind?...

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Human Devolution Morlocks & C.H.U.D.s

Human Devolution Morlocks & C.H.U.D.s

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

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Birch Planets: Galaxy-Sized Worlds

Birch Planets: Galaxy-Sized Worlds

Birch Planets are enormous hypothetical Megastructures which would have more living area than every planet in our galaxy combined, and are even larger than Dyson Spheres. Mega Earths: https://youtu.be/ioKidcpkZN0 To find out more about megastructures, see the...

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