The sound can smash a glass or knock out windows in the whole building! But it turns out, the formative power of sound can be easily demonstrated ...
Videos used: 1 , 2 and others Audio Series: Yonderboi - Riders On The Storm (The Doors Remix) Editing and explanation: www.SmartVideos.ru
To carry out this experience can be at home. It is necessary to fix a metal or glass disk in the center and move it with a bow. It is also possible to simply scatter a bit of fine sand on the body of the violin (or guitar) and lightly, so that the sand does not crumble, to bow along one of the strings.