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yakz
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If you had two gears spaced apart by multiple light-years, and a taut chain connecting them, couldn't you communicate faster than the speed of light?
Dec 31, 2010 4:50pm PST
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If you had two gears spaced apart by multiple light-years, and a taut chain connecting them, couldn't you...
:
yakz
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Short answer: no. Long answer: nooooooooooooooooooooooooooooooooooooo.
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action roommate
Do you think physical changes propagate faster than light? Tension?
:
sgtsanity
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No, because you'd be sending a mechanical wave over the chain. (I assume you'd hit it to vibrate the cha...
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Volatus32x
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I was thinking you'd turn the gear. The chain being taut, the gear at the other end can't turn without co...
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yakz
Over such vast distance the gear on one end would have to turn for a while (years and years) before the o...
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Volatus32x
No, and what are the gears for anyway?
:
thecray
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You're effectively limited by the speed of sound in the medium that the chain is made of (which is much h...
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Volatris
Woah, your name made me do a double take
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Volatus32x
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Whoever told you that was pulling your chain.
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Marrbe
Get your ass in gear, Marrbe.
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greasyjohn
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Slight
Hijack
: The only way I've heard of recently to communicate at a speed faster than light was a st...
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Volatus32x
It might be this, sounds about right. http://arxiv.org/abs/cond-mat/9907133
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Volatus32x
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lol They talk about this in mass effect. It's call quantum teleportation or something like that. It lets ...
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GoldfishInAJarOfPickles
Yeah, this was what I was thinking of but I know there is hard science behind it and I can't find the art...
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Volatus32x
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it's called quantum entanglement
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electroly
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Thank you!
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Volatus32x
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And you can't use it to communicate faster than light, because there's no way to discern random spins fro...
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MagicWishMonkey
I don't recall the whole thing but I think the "Ah ha" for the scientists was how the random spins and vi...
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Volatus32x
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I don't think building such a device is possible. You would need something like infinite tension in the ...
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alias
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He's got the right idea, though. It just can't be a cable or chain that you could physically hold or man...
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Volatus32x
Well, I really meant a chain with direct contact between every link, and between each link in contact wit...
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yakz
Nope.
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TaintedSyringe