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PBS Space Time
What's the Most Realistic Artificial Gravity in Sci-Fi?
2001: A Space Odyssey introduced people to the idea of rotation based artificial gravity.
PBS Space Time
Superluminal Time Travel + Time Warp Challenge Answer
Find out how traveling faster than light and traveling back in time are the same thing.
PBS Space Time
Are You a Boltzmann Brain?
Was an incredible drop in entropy responsible for the Big Bang? If that’s the case, this w
