/u/rsiii's posts in /r/askscience
Why are photons considered to be massless if mass is just "pent up energy"? Shouldn't photons simply have a very small mass related to the amount of energy they contain?
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"Spooky action at a distance" happens at 10,000x the speed of light, there must be some sort of "information" transfer between the entangled particles at that speed. If we discover how to use the underlying mechanism between the two, could we have faster than light communication?
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