Physicists just won the Nobel prize for proving that this is true. I’ve read the articles and don’t get it.
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The part I don’t understand is that the experiment uses photons which are massless to prove quantum entanglement. Yet all the laymen explanations use cats, apples, dice or other ‘real’ objects with mass to explain it. So what I can’t figure out is what the real world implication of this is. Is a blackhole in one galaxy somehow interacting with a blackhole in another galaxy in ways we don’t know? Is that the point? The idea that an apple isn’t red until I see it doesn’t make any sense to me…its an object with mass so the rules of quantum entanglement don’t apply to the apple, only to the photons reflecting off the apple from some light source. Are there are other types of subatomic particles other than a photon that have no mass? Is quantum entanglement a property associated only with massless particles?
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