/u/adr826's posts
[WP] The year is 1942, 10 million Jews have been killed. Germany has dropped an Atomic bomb on New York and London. Somewhere a hundred years from now a man is entering a time machine to go back in time and assassinate you, the man who went back in time and killed Hitler!
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You are a brand new Basketball coach giving an inspiring pregame speech to turn around your team, the Washington Generals. What do you tell them.
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In a Brief history of Time Stephen Hawking refers occasionally to objects of infinite density. Since density is mass per unit volume if an object were so tightly packed that it had no volume it's density is undetermined and not infinite. What does Hawking mean by infinite density?
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If the Michelson Morley experiment proved that there is no substance in space capable of interacting with light to slow it down what is the mechanism by which the cosmological expansion of space can redshift its spectrum? Wouldnt that require some friction to be inherent in space.
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