But provided I have complete information about all the atoms and photons involved in my bonfire, it is theoretically possible to rewind the process and recover the information contained inside the magazines. It would of course be extremely difficult in practice, but the science asserts that there is nothing about this process that is irreversible. The laws of physics work both ways. The existence of black holes offers a challenge to this idea. If I throw one magazine in one black hole and the other magazine in another black hole, it is now impossible to find out which magazine went into which
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Ultimate shredder. Interesting take
