The Physics of FTL Travel

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Deciphering Alien Codes

Deciphering Alien Codes

Learning a new human language is tricky enough, so could we ever hope to decrypt alien languages from species we've never met? Cryptic Aliens: https://youtu.be/thdC-HlRHWg Alien Languages: https://youtu.be/_OpoWJbo7oM Produced, Written &...

Robots & Warfare

Robots & Warfare

Use code isaacarthur at the link below to get an exclusive 60% off an annual Incogni plan: https://incogni.com/isaacarthur Robots play an ever greater role in every aspect of our lives, including the battlefield, but what will their role be in the...

Mobile Cities

Mobile Cities

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. Watch my exclusive video on Nomadic Miners On The Moon:...

Computronium

Computronium

Computronium is any type of matter which supports computation or thought, and which a civilization might seek to turn all matter into. Matrioshka Brains: https://youtu.be/Ef-mxjYkllw Produced, Written & Narrated by: Isaac Arthur Music Courtesy...

Hegemonizing Swarms

Hegemonizing Swarms

A Hegemonizing Swarm is a hypothetical living weapon, or self-replicating machine, which seeks to turn every last available bit of matter into more of itself or a desired construct. Paperclip Maximizer: https://youtu.be/3mk7NVFz_88 Produced,...

Lunar Mining, Processing & Refining

Lunar Mining, Processing & Refining

Go to https://brilliant.org/IsaacArthur/ to get a 30-day free trial + the first 200 people will get 20% off their annual subscription. After over half a century, it is time to return to the Moon, and use its vast resources as a bridge to countless...

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...

SFIA Monthly Livestream: Sunday, July 30, 2023 4pm EST

SFIA Monthly Livestream: Sunday, July 30, 2023 4pm EST

Our monthly livestream Q&A session. Join us on July, 2023, at 4pm EST, Sunday, and get your questions about the channel and episodes on chat to be answered! Join Nebula: https://go.nebula.tv/isaacarthur Support the stream:...

Building Artificial Planets

Building Artificial Planets

We may terraform Mars or Venus one day, but to truly make worlds like Earth, we may need to build them ourselves. Mega Earths: https://youtu.be/ioKidcpkZN0 To find out more about megastructures, see the Megastructure Compendium:...