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Posts Tagged "acoustic levitation"

PsiVid

Acoustically Levitating Caprese Salad

Last night I was at a SuperBowl party and enjoyed many (maybe too many) delicious foods, including Insalata Caprese. This mozzarella, tomato, basil, salt, and olive oil concoction is a traditional summertime treat. What would happen if it was levitated? Would it taste as incredible? I don’t know, but it certainly would be fun to [...]

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PsiVid

Acoustic Levitation of Liquids Looks Like Magic

These drops of solution remain suspended for a long period of time, thanks to the vibrational force of sound waves that keep them stationary in an air column. (Photo by Dan Harris)

From Argonne Labs comes this intriguing video demonstrating the acoustic levitation of liquids on a piece of equipment developed for NASA to simulate microgravity conditions. “The acoustic levitator uses two small speakers to generate sound waves at frequencies slightly above the audible range – roughly 22 kilohertz. When the top and bottom speakers are precisely [...]

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