/u/Bulevine's posts
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Why cant we reenter atmosphere from space in a controlled matter using wings, and use that air resistance to slow down spacecraft, slowly descending into thicker atmosphere as more lift is needed and speeds are slower?
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If space was full of "air" (1 Earth atmosphere) the sun would sound almost as loud as a passing train, just short of being so loud it would cause physical pain. Where does all that sound energy go when as it expands out into the void of space?
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SpaceX's Raptor Engine has a very unique exhaust that looks like the flame folds back into itself 4 or more times as it shoots out. What makes this wave of exhaust? (Reference video in comments)
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How much alcohol would you have to drink, or could you even drink enough, in order to kill a virus living in your body?
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What would happen if you connected the blood flow of 2 people with matching blood types in a fully shared circle?
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Why is it that when a crowd sings together, with no individual standing out, they always seem in tune despite the fact that a lot of people individually are off pitch?
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