A major conundrum of quantum mechanics is the question of why effects such as quantum entanglement only appear to affect structures on an extremely small scale, such as subatomic particles, but fail to manifest themselves on the large scale phenomena that we see in our everyday lives. But now, aread more

Physicists with MIT and the University of Vienna have conducted an experiment that pretty much proves that the phenomenon of quantum entanglement is real, and not the effect of a "loophole" that could be explained by classical physics. The experiments that were used in closing this loophole involved a combination of Earth-bound telescopes, 30,000 entangled pairs of entangled photons, and starlight nearly as old as the universe itself.
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