Experiment intented to demonstrate that the sound is made of mechanical vibrations in a material medium so it can't propagate in a vacuum.
A small loudspeaker is suspended from rubber bands and on a piece of polyurethane foam in order to damp the vibrations that can go to the base.
es.wikipedia.org/wiki/Sound
en.wikipedia.org/wiki/Vacuum
en.wikipedia.org/wiki/Vacuum_...
Patreon ► / cienciabit
Susbcribe ► ru-vid.com_...
Do you want to contribute subtitles? ► ru-vid.com_cs_p...
Cienciabit ► www.cienciabit.com
Thanks to Cienciabit's Patreon patrons:
Eduardo Pérez Rodríguez
Marc Juan
Wilson Caballero
24 мар 2019