Acoustic Levitation (Video)

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Posted July 19, 2013 by Johnny2x in Science

Acoustic Levitation (Video)

Yeah that’s right, we are levitating shit now.

Using sound waves at levels that would be equal to the sound of a rocket launch but at a high enough frequency that the human ear can not detect, a team of Swiss researches and achieved something usually reserved to science fiction.

I guess you will just have to keep your dog away form your fancy new levitating machine.

More info at the washingtonpost.com:

The latest development is the ability of Swiss researchers to use sound waves to levitate —  and then move — particles and objects in mid-air. Turns out, all acoustic levitation requires is blasting out sound at extremely loud levels (160 decibels – the deafening sound of a rocket launch) at a high enough frequency (24,000 hertz – the frequency of a dog whistle) that the human ear can’t detect. When those two conditions are met, some fascinating things start to happen. If you thought that gravity was the strongest force in the universe, think again – the Swiss researchers were able to defy gravity and move objects around a chess board-like device, mix particles in mid-air without touching them, and even levitate a toothpick. They even captured the mixing of molecules on a video scored to classical music.

– read more

Acoustic-levitation

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Johnny2x

John created the HowsYourRobot.com just because he cares about each and everyone of you. He likes science, technology, movies, and music. He also likes long walks in the park but only at night and in most dangerous park he can find AND he discovered the internet while playing in his back yard as a child. Some of this is true and some of it is not.

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