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4-Dimensional Gravity & Habitable Universes
We often imagine Universes with more dimensions than ours... but could such places have planets and stars that life might live on?
Chandelier Cities
While we sometimes imagine vast structures rising above the sky, it is possible to have equally vast structures hang down from the sky, and on world's whose atmospheres are far larger than earth's, this may be where people choose to live. Graphics:...
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...
What is a ‘Hubble Volume’?
Terms like Universe, Observable Universe, and Hubble Volume often get used interchangeably and explained in very technical terms, but simply put, what are they and how do they differ?
Automated Justice
As ever more automation works its way into our legal system and courts, we must ask what challenges and advantages AI has in justice, and if AI will come to be our judge and jury. Watch my exclusive video Crystal Aliens...
Settling Mars: Phobos & Deimos
Learn more about the game and see it in action at https://upperstory.com/turingtumble/?utm_source=YouTube&utm_medium=XXXX Use the coupon code ISAACARTHUR for 10% off your total purchase The Red Planet beckons us toward it, and the day draws...
Hammer Habitats
While rotating habitats provide spin-gravity, large ring or cylinder habitats may often be too big and resource-intensive for most smaller crews or habitats. Graphics: Bryan Versteeg spacehabs.com
Alien Beer Is To Die For…
A look at the possible effects of alien food, drink, and microbes on us or our ecosystem. Visit our Website: http://www.isaacarthur.net Join Nebula: https://go.nebula.tv/isaacarthur Support us on Patreon: https://www.patreon.com/IsaacArthur Support...
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?