work perfectly well in either time direction,” I said. “Forward or backward. It’s also true that if you take two radioactive atoms, absolutely identical in every conceivable way, they will decay randomly. The first might decay immediately, while the second doesn’t do the same for an hour or more. Why the difference? After all, they’re identical. “Scientists have never found any way to explain it or predict when this decay will occur. But there are theories that posit the information that controls the fate of these particles doesn’t come from the past or present.” I raised my eyebrows to build
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