A physicist proposes that the universe is not empty space, but is a viscous fluid, fueling the expansion and contraction we see.
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The Best PBS Kids Shows Of The 2010s And What They Teach
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Are we in a simulation? New AI and physics clues raise fresh doubt
A physicist has mounted one of the most detailed technical challenges yet against the idea that our universe is a computer simulation, arguing that the energy required to run such a program would ...
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