Share good ideas and conversation.   Login, Join Us, or Take a Tour!
taken  ·  383 days ago  ·  link  ·    ·  parent  ·  post: Ultrasonic levitation

The same technique can be refined to also have some control over the object being levitated. Use of multiple sound sources allows you to build the pressure differences without needing a fixed standing wave, and this can even be used to control angular momentum, as show in