23. Are Aliens Just Time Traveling Humans? (feat. Isaac Arthur)

Look, we’re not smart enough to explain the physics of time travel to you all. But thankfully Isaac Arthur is! So let’s explore the big question of if time travel is even physically possible before we answer the main question plaguing our minds: are aliens just time traveling humans?

Check out Isaac Arthur on YouTube!

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Tristan Johnson: https://StepBackHistory.com

Scott Niswander: https://twitter.com/scottniswander

Music by Rod Kim: https://RodKim.com

Cover art by Skutch: https://twitter.com/Skutchdraws