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Is sound faster than light?
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Moderator  Join Date: Feb 2006
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'Mach c'? Scientists observe sound traveling faster than the speed of light
For the first time, scientists have experimentally demonstrated that sound pulses can travel at velocities faster than the speed of light, c. William Robertson’s team from Middle Tennessee State University also showed that the group velocity of sound waves can become infinite, and even negative.
I would think that there is a limit to how far it could travel though. Nontheless, this is an interesting discovery.
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I like my water with hops, malt, hops, yeast, and hops.
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Posting Junkie
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This has destroyed everything that I have ever believed. Thank you.
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Addicted to MacNN
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Nothing travels faster than the speed of light with the possible exception of bad news, which obeys its own special laws.
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Baninated
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Well ****. There goes my grasp on physics.
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Posting Junkie
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Group velocity is not useful.
And you can do the same thing with the group velocity of light.
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Clinically Insane
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For the first time, scientists have experimentally demonstrated that sound pulses can travel at velocities faster than the speed of light
Well, anyone who's ever been to a Motorhead gig could have told them that.
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Posting Junkie
Join Date: Jan 2006
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Oh, and I'm pretty sure that sound is not faster then lens flare
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Clinically Insane
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So, I don't get it.
What does that all mean ?
-t
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Sh!t...God can run faster than anything.
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Dedicated MacNNer
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I tell you whats faster than both, my Macintosh. 
(Last edited by Sub; Jan 25, 2007 at 04:31 PM.
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Addicted to MacNN
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Originally Posted by Atomic Rooster 
Sh!t...God can run faster than anything.
What if he created a clone of himself ordered to be superior in running skill?
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Registered User
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Originally Posted by Dakar²
What if he created a clone of himself ordered to be superior in running skill?
OK, you got me. HAPPY NOW?!
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Professional Poster
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Originally Posted by mduell
Group velocity is not useful.
And you can do the same thing with the group velocity of light.
What's group velocity?
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Professional Poster
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Addicted to MacNN
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Originally Posted by Atomic Rooster
OK, you got me. HAPPY NOW?!
I've never been happy.
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Addicted to MacNN
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Geezus, is nothing sacred anymore.
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Originally Posted by Ghoser777
Yeah I looked at that... still didn't understand though!!
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Considering "sound" is nothing more than a compression (and expansion) wave of molecules without any actual net displacement, one could say sound does not travel at all.
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I'm a bird. I am the 1% (of pets).
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Banned
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Clinically Insane
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Originally Posted by Railroader Sig
Looks like I can stop going to digg.com. MacNN, the new DIGG!
-t
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