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Re: The science behind teleporters.
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Interestingly, phase or group velocity CAN exceed c, seemingly infinitely. This is well established. They, however, cannot exceed c at the same time. Though, signal velocity (speed of information) can't exceed c, despite it usually being equal to group velocity. Confusing, but the bottom line is you're right. Electromagnetic radiation can exceed light speed in vacuum, but only under conditions where there is no information transfer. |
Yeah, the relativity of simultaneity pretty much puts everything into place such that c is never violated. Phase velocities are > c in many cases but you can't transmit info at that velocity: v sub p = c^2/v sub g where v sub p is phase velocity and v sub g is group velocity (information transfer).
Likewise with entangled pairs -- if we looked at one half of a commuted pair attribute in one particle and the other half in the other particle, we'd be violating HUP. Of course, this is easily resolved when we realize that these observations wouldn't be at the same time -- once you observe commuted attribute P in particle A, commuted attribute Q of particle B is no longer entangled on that basis. Some wiki information on this stuff if anyone's interested http://en.wikipedia.org/wiki/Faster-...cities_above_c tl;dr: No, none of this shit is going to let you communicate faster than light or travel at the speed of light or greater and gives you pretty bleak outlooks where teleportation is concerned. However, of course there is all the hype over wormholes, but you'd need something called exotic matter to stabilize the "throat" of the wormhole in order for you to even pass through to another portion of space. The problem: Exotic mass is basically "negative" mass with a negative energy density, and we don't know of anything like this in existence (it's theoretical). Michio Kaku's books "Beyond Einstein" and "Physics of the Impossible" are great reads for this stuff, though. Further point of clarification: Antimatter and negative matter are totally different things. The former exists and has POSITIVE energy -- but a reversed charge. The latter hasn't been proved to even exist yet. If it did, it would be lighter than nothing (i.e. float) and would be repelled and shunned away from planets and meteors and gas particles and anything else. Even if it existed, it'd certainly be nowhere on Earth and would likely be located in deep space. |
Re: The science behind teleporters.
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Re: The science behind teleporters.
You may be right there. Apparently they do not...
I just assumed that since every other cell copied itself, the brain would have to as well, since cells I didn't think had that long of a life cycle. But according to what I've read, different cells have different life cycles. For example skin and cells in the gut for example are apparently replaced every 24 hours. |
Re: The science behind teleporters.
Some cells in the brain do, others don't
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