/u/BittyTang's posts in /r/askscience
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I've recently noticed that listening to relaxing music before and during sleep causes me to feel more well rested upon waking up. Is their any scientific reasoning behind this or is it purely a placebo effect?
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How can we know if pictures of the early universe are accurate if light photons are affected by gravitational fields on their path to earth?
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Given the time-reversal symmetry of the known laws of physics, could you theoretically reverse the momenta of all particles in the universe and expect it to evolve back into the Big Bang?
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Is it possible to prevent the decay of a virtual particle, extending the momentary violation of conservation of energy?
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If every person on the planet spontaneously died, how long would it take for the entire internet to go down?
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