Sound Related Youtube videos

Some interesting youtube videos illustrating various aspects of sound waves, such as standing waves, wave generated phenomena, high speed video of sound sources, etc.

Some interesting sound wave related youtube videos.

Salt shaped by standing waves  http://www.youtube.com/watch?v=25-XgrBOgto

Liquid Audio, oscillated by speaker. http://www.youtube.com/watch?v=jwMq8mmqgQ4

Flame visualized standing waves   http://www.youtube.com/watch?v=wBydVCF4DrY

High speed video of sound sources. http://www.youtube.com/watch?v=26qvYE-w8Eo

Fluid sculptures    http://www.youtube.com/watch?v=xx3NUlmjLw0&feature=related