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Author Topic: When the multiverse and many-worlds collide  (Read 10979 times)
RandallS
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« Reply #19: June 03, 2011, 08:14:58 am »

My crazy answer: Black holes (tears in the fabric of space from superdense gravity sources like a giant dying star). As I understand it, one of the laws of physics is that information can't be lost from the universe; you can burn a piece of paper with info written on it, but theoretically you could monitor the smoke and ash, the patterns of its wafting and crumbling, and reconstruct what the paper said. But black holes blow that wide open, because anything that falls into a black hole can't be retrieved (light, for example, which is why it's a black hole)--so whatever information you could've reconstructed is lost once something is sucked down the black hole. This violates that fundamental law of physics.

According to current theories this isn't quite true. Black holes don't last forever. Quantum mechanics says they lose the material and information they have locked inside their event horizon via Hawking radiation. Even the largest black holes will evaporate given enough time.

Quote
So what if black holes are how information can leak from a causal patch? That would explain the universe's decoherence, while also providing the loophole to that fundamental law of physics (the info isn't lost if you take a multiverse perspective instead of a universe perspective).

As we have never seen a black hole actually evaporate, my comments above might be incorrect. If so, your ideas could be true.
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