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

["Ditto" <jmc8197@xxxxxxxxxxxx>]

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.

I thought about the same question last week after a discussion on the
propagation of stress through a material when it collides with another.
QM explains how electrons propagate through materals at c and can do
the same for phonons propagating at the speed of sound:-

http://en.wikipedia.org/wiki/Phonon