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Wednesday, August 30, 2006

Crazy Creepy Sci-Fi Acoustic Levitation Device... Its Real

It sounds as creepy sci-fi as it looks, too. Thanks to musicthing for finding this awesome little video:



Dr. Deak says:
This is an acoustic levitation chamber I designed and built in 1987 as a micro-gravity experiment for NASA related subject matter.
The 12 inch cubed plexiglas Helmholtz Resonant Cavity has 3 speakers attached to the cube by aluminium acoustic waveguides.
By applying a continuous resonant(600Hertz) sound wave, and by adjusting the amplitude and phase relationship amongst the 3 speakers; I was able to control levitation and movement in all 3 (x,y,z) axis of the ambient space.
This research was used to show the effects of micro-gravity conditions that exist in the space shuttle environment in orbit, but done here on Earth in a lab.

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