Labyrinth der Mikrowelten: Mikrowelten

Qua visus non tranet, vocem tranare
The experiment with the emptied glass dome seems to show clearly that sound uses air as a medium. But that still doesn't answer what sound actually is. Is it a movement of particles or waves? In the first century B.C. Titus Lucretius Carus argues that sound consists of particles, which can permeate through other bodies.
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