Physicists rediscover a discarded theory to solve a mystery of how glass damping sound - Phys.org
phys.orgSubmitted by physorg8953 in science
For about half a century, physicists have puzzled over vibrations in glass at low temperatures. The reason: Glass carries sound waves and vibrations differently than other solids—it "vibrates differently." But why? And how can the propagation of sound in glas…