Engineers juggle objects with levitating sound waves
Scientists use ultrasound to levitate small objects and make water droplets float, move, and merge. Video of the toothpick at http://www.pnas.org/content/suppl/2013/07/10/1301860110.DCSupplemental/sm11.mov
Big Black Delta-"'Side of the Road' was written during a violent period in my recent life. I saw and experienced some shit that could make one lose their humanistic values. I needed a floating song that reminded me of forgiveness and associated freedom," says Jonathan Bates. "Depending on the light, the song may swing between driving to calming. Depending on my mood, the song could swing between depressing to uplifting. I wasn't really aiming for a dichotomous message,but that's where it…
Acoustic Levitation - Liquid Droplets Floating On Sound Waves In Midair - These drops of solution remain suspended for a long period of time, due to the vibrational force of sound waves that keep them stationary in an air column.