Megastructures: Hollow Earth

Megastructures: Hollow Earth

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

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Cylindrical Planets

Cylindrical Planets

A planet shaped like a cylinder might be built as novel alternative to a spherical or flat discworld. Join this channel to get access to perks: https://www.youtube.com/channel/UCZFipeZtQM5CKUjx6grh54g/join Visit our Website: http://www.isaacarthur.net Join Nebula:...

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Primordial Planets

Primordial Planets

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? Watch my exclusive video Crystal Aliens hhttps://nebula.tv/videos/isaacarthur-primordial-planets Get Nebula using my link for 40% off an...

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Snowball Earth

Snowball Earth

Earth's temperature is thought to have changed greatly in the past, and even more extreme than in the Ice Ages. We believe once the entire planet may have been frozen over, a Snowball earth. Produced, Written & Narrated by: Isaac Arthur Music Courtesy of Epidemic...

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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: https://youtu.be/1xt13dn74wc Produced,...

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Living Planets: The Gaia Hypothesis

Living Planets: The Gaia Hypothesis

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. Many have believed Earth might have a spirit, but Lovelock's Gaia Hypothesis contemplates this as a scientific...

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Alien Impostors & Doppelgangers

Alien Impostors & Doppelgangers

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. The idea that some mimic might steal your identity and replace you, or takeover your mind, is terrifying. But could we...

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Dumbest Alien Invasions

Dumbest Alien Invasions

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. An Alien Invasion of Earth is a terrifying scenario, yet science fiction rarely has good reason for those invasions. Today...

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What if Earth became a Rogue Planet?

What if Earth became a Rogue Planet?

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 Is it possible the Earth might be separated from the Sun or the Sun go out? And if so, could we...

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How Colonizing Space Can Save Earth

How Colonizing Space Can Save Earth

Get a free month of Curiosity Stream: https://curiositystream.com/isaacarthur Many believe we need to colonize space to get all of our eggs out of one basket, in case something should happen to Earth, but colonizing space might be the best way to protect and preserve...

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