Author Topic: Absolute zero or light speed?  (Read 59 times)

Ihateyoumike

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Absolute zero or light speed?
« on: November 26, 2010, 08:33:24 PM »
Which one will we achieve first, or will we never be able to accomplish either of them?

Discuss.
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skwurll

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Re: Absolute zero or light speed?
« Reply #1 on: November 26, 2010, 08:52:43 PM »
Absolute zero, we've been close within fractions of a degree.
Light speed is still a while off.

Ihateyoumike

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Re: Absolute zero or light speed?
« Reply #2 on: November 26, 2010, 09:05:53 PM »
Sorry. I guess I should have been more specific. With light speed I didn't mean sending ourselves at light speed, but anything. As I understand it, they've gotten very close with the LHC.
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joeactor

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Re: Absolute zero or light speed?
« Reply #3 on: November 26, 2010, 09:31:37 PM »
Light speed has been achieved...

FIRE GOOD!

(going to turn on my in-home photon generator now)

hackenslash

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Re: Absolute zero or light speed?
« Reply #4 on: November 29, 2010, 02:12:19 AM »
Quote from: "Ihateyoumike"
Which one will we achieve first, or will we never be able to accomplish either of them?

Discuss.

Neither.

Accelerating anything with mass to c in spacetime is prohibited by the geometry of spacetime, and absolute zero is prohibited by the uncertainty principle.
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Dretlin

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Re: Absolute zero or light speed?
« Reply #5 on: November 29, 2010, 11:00:48 AM »
Quote from: "skwurll"
Absolute zero, we've been close within fractions of a degree.
Light speed is still a while off.

That is exciting! There is a statue of Lord Kelvin himself at my University and is mentioned often in my lectures. We have not touched upon recent experiments yet.

SSY

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Re: Absolute zero or light speed?
« Reply #6 on: December 02, 2010, 12:33:19 PM »
Quote from: "hackenslash"
Quote from: "Ihateyoumike"
Which one will we achieve first, or will we never be able to accomplish either of them?

Discuss.

Neither.

Accelerating anything with mass to c in spacetime is prohibited by the geometry of spacetime, and absolute zero is prohibited by the uncertainty principle.

+1. c speed (for massive objects) is prohibited by relativity, and the third law of thermodynamics prohibits reaching absolute zero, as well as the Uncertainty principle.

Of course, having said that, once people thought you couldn't go faster than sound.

Also I like the way the laws of thermodynamics were conceived, we had the first two, then the third, then the zeroth, it's delightfully slapdash.
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