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Re: Why doesn't sound travel at the speed of light in solids?

Subject: Re: Why doesn't sound travel at the speed of light in solids?
From: "Sue..." <suzysewnshow@xxxxxxxxxxxx>
Date: 30 Dec 2006 04:43:28 -0800
Newsgroups: sci.physics, sci.physics.relativity, sci.physics.electromag
Seven Seas Oscirius wrote:
> The atoms in solids are bonded rigidly en masse with electronic bonds.
> And the propagation speed of distubances in electromagnetic fields is c.

Sound moves heavy protons and neutrons.
Light only has to move much less (~1/2000) massive electrons.

http://www.physics.nist.gov/cuu/Images/alphaeq.gif
http://www.physics.nist.gov/cuu/Constants/alpha.html
http://hyperphysics.phy-astr.gsu.edu/hbase/waves/string.html

Sue...


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