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Comment Re:How/why would a black hole preserve information (Score 1) 75

And why exactly is it so impossible for matter to become an indistinguishable state? Why can't entropy go down in such extreme conditions? Sure, all our experiments in relatively low gravity seemed to conserve "information", but what gives us the right to extrapolate that to black holes?

It's not like the second law of thermodynamics is really a law anyway. It just says that normally, entropy is so unlikely to decrease spontaneously that, for all intents and purposes, we may safely assume it never does. As long as the system is big enough, because violations of this "law" are already causing trouble in nanotechnology. If only a few atoms are involved, nothing keeps the entropy of the system from decreasing every now and then. But for large enough collections of atoms, sure, they are very unlikely to suddenly organise themselves, temperature difference are very unlikely to evolve the "wrong" way, etcetera. In the kind of conditions we have been able to observe so far.

But black holes... I can readily imagine them destroying information, in fact it seems extremely likely to me that they do, from an intuitive point of view. So why are scientists having such a big problem with that? Sure, entropy always increases in sufficiently large "normal" systems but black holes are anything but normal. I really don't see any compelling reason for them to conserve entropy.

Comment Re:A lense cover (Score 2) 363

There was a time when people using mobile phones in the street were mugged not because the thief wanted their phone, but because people using mobile phones were considered to be antisocial snobs and deserved to get beaten up. People would sometimes just take the phone and throw it onto the floor to break it. Nowadays using a cell phone is the most normal thing in the world. When you were making a call using an earpiece, people used to wonder why you were talking to yourself while nowadays, when you really are talking to yourself, people will just assume you're making a phone call. The same will happen to glass.

Comment Re:reduce the amount (Score 1) 983

CD-R/DVD-R has a shelf life of about 5 to 10 years. Beyond that, your data will probably still be readable but it's going to become hit-or-miss. Factory-stamped DVDs do have a much longer shelf life, but that's not really relevant here.

Just have a factory stamp out your backups then.

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