Why does light go through glass

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why does light go through glass but not through other forms of matter?
 
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Please read the FAQ thread in the General Physics forum. Maybe that might give you a good start.

Zz.
 
thank you, "phonon" was not a word in my vocabulary ill have to read up on this
 
From the BCS theory of superconductivity is well known that the superfluid density smoothly decreases with increasing temperature. Annihilated superfluid carriers become normal and lose their momenta on lattice atoms. So if we induce a persistent supercurrent in a ring below Tc and after that slowly increase the temperature, we must observe a decrease in the actual supercurrent, because the density of electron pairs and total supercurrent momentum decrease. However, this supercurrent...
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