We often imagine Universes with more dimensions than ours... but could such places have planets and stars that life might live on?
4-Dimensional Gravity & Habitable Universes
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The Fermi Paradox: Rare Complexity
Use code isaacarthur at the link below to get an exclusive 60% off an annual Incogni plan: https://incogni.com/isaacarthur 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...
Are Brown Dwarfs Stars or Planets?
Brown Dwarfs are a broad category of sub-stellar objects that are neither quite planets nor stars, but then, what are they?
Can We Terraform The Moon?
🌏 Get Exclusive NordVPN deal here ➼ https://nordvpn.com/IsaacArthur It’s risk-free with Nord’s 30-day money-back guarantee! 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?...
Statites, Lagites, and Quasites
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. Watch my exclusive video Giant Space Monsters:...
Too Late To Hide In The Dark Forest
Many worry that Earth may have reveal ourselves to hostile alien empires by transmitting signals, but is it already too late? Produced, Written & Narrated by: Isaac Arthur Music Courtesy of Epidemic Sound http://epidemicsound.com/creator
Martian Solar Mirrors
Mars gets little sunlight, but we may be able to warm the Red Planet by using orbital mirrors to shine more sunlight down on Martian bases. Produced, Written & Narrated by: Isaac Arthur Music Courtesy of Epidemic Sound http://epidemicsound.com/creator
What is a Zombie Star?
Zombie Stars are the possible remnants of failed Type 1ax Supernovae from too rapidly absorbing mass, leaving a remnant of heavier matter behind. Produced, Written & Narrated by: Isaac Arthur Music Courtesy of Epidemic Sound http://epidemicsound.com/creator
How Many Black Holes & Dead Stars In The Galaxy?
Science fiction often shows ships running into black holes unnoticed, but how many black holes are even in this galaxy? Produced, Written & Narrated by: Isaac Arthur Music Courtesy of Epidemic Sound http://epidemicsound.com/creator
Can The Moon Keep An Atmosphere?
The Moon is the nearest body to us, and we wish to settle it, but could it ever have air and open skies? Produced, Written & Narrated by: Isaac Arthur Music Courtesy of Epidemic Sound http://epidemicsound.com/creator
Zero Point Energy & Vacuum Energy
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. Watch my exclusive video Dark Stars At The Beginning Of Time:...
Would A Lightsaber Set You On Fire?
Debate about the lethality of lightsabers sometimes asks if the blade, able to cut through metal in a slash, could be hot enough to burn even the water in a person's body. Produced, Written & Narrated by: Isaac Arthur Music Courtesy of Epidemic Sound...