The physicist betting that space-time isn't quantum after all

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The physicist betting that space-time isn't quantum after all
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Most experts think we have to tweak general relativity to fit with quantum theory. Physicist Jonathan Oppenheim isn't so sure, which is why he’s made a 5000:1 bet that gravity isn’t a quantum force

, which explains the subatomic world and holds that all matter and energy comes in tiny, discrete chunks. Put them together and you could describe much of reality. The only problem is that you can’t put them together: the grainy mathematics of quantum theory and the smooth description of space-time don’t mesh., or to show how space-time comes in tiny quanta, like the three other forces of nature.

In effect, that means tweaking general relativity so it fits into the quantum mould, a task that has occupied researchers for almost a century already. But Oppenheim wonders if this assumption might be mistaken, which is why he made a 5000:1 bet that space-time isn’t ultimately quantum.caught up with him to find out what makes him think conventional wisdom might be misguided here, how the question might be resolved with experiments – and why physicists love a good wager.

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