/u/RyanW1019's posts in /r/askscience
If I could somehow survive the heat and gravity, would I be able to walk on the surface of the Sun, or would I sink down into it?
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If you released an Earth-sized ball of water into space, what would happen to it? Would it form a planet or boil off? Would any interesting phases/layers form?
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How large would the human population have to get in order for more water on Earth to exist in human bodies than anywhere else?
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What determines the amount of electrical power it takes to operate a computer? Is it the number of operations per second? The distance signals need to travel across the chip? Something else?
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Would a nuclear-powered system of electromagnets around the outside of a spaceship protect astronauts from cosmic rays?
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How long could you survive in space without any protective gear if you held your breath? Long enough to get back inside the ship? What about if you were in a (depressurized) spacesuit?
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