Any alternative to quantum weirdness would require faster-than-light communication.
It’s another bad day for Einstein. He either has to give up relativity or embrace quantum mechanics.
Reality seems governed by the kind of randomness that Einstein loathed and that quantum theory is rooted in. But any alternative explanation would have to allow information to travel at least 10,000 times faster than light, physicists have now shown in the most stringent such test to date.
Nicolas Gisin and his team at the
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