Today I present this video you can find with the original sound at this link, posted by Brusspup (youtube.com/brusspup).
In this science experiment are transmitted different acoustic frequencies, and the sand placed on a metal plate is moving, creating unexpected and wonderful patterns! Here are some screenshots of this fantastic video.
In this science experiment are transmitted different acoustic frequencies, and the sand placed on a metal plate is moving, creating unexpected and wonderful patterns! Here are some screenshots of this fantastic video.