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Baughn comments on Particles break light-speed limit? - Less Wrong
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Well, I'd say there's a significant chance you'd end up with a boom instead, for invoking the (quantum) chronology protection conjecture.
That wouldn't necessarily stop you in all cases, though. It just means you need quantum computer-level isolation, or a signal that doesn't include any actual closed timelike curves - that is, you could hypothetically send a signal from 2011 Earth to 2006 Alpha Centauri so long as the response takes five years to get back.
Hmm, I don't think most variants of chronology protection imply inherently destructive results. But your remark made me feel all of a sudden very worried that if is real this could be connected to the Great Filter. I'm almost certainly assigning this more emotional weight than the very tiny probability that is at all justified.
I don't know about you but the emotion I associate with the possibility is fascination, curiosity and some feeling that we need a word for along the lines of entertainment-satisfaction. It's just so far out into far mode that it doesn't associate with visceral fear. And given the low probability it is one instance of disconnection of emotion to knowledge of threat that doesn't seem like a problem! :)
Don't worry, I'm pretty sure it'd be a tiny boom. ;)
No free energy, after all.
How does this relate to free energy?
If there was an explosion big enough to cause worldwide destruction, where would the energy come from?
Hey, I'm not the one who broke physics. Take it up with CERN! ;)