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post #11 of 14
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Quote:
Originally Posted by BulletSponge View Post

You just want a protective force field around your Nutella stash tongue.gif

ninja.gif
post #12 of 14
You could also do the same thing with a bunch of fans or high-pressure air jets. That's all this is: using air to push stuff around.

EDIT: Although... I wonder if you could do the same with any sufficiently small particle or with light? And also, lol comments.
Edited by CynicalUnicorn - 1/6/14 at 10:57am
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post #13 of 14
Well with sound you can manipulate the frequency directly with fewer random variables.
Using forced Air to do the same thing has a lot more random variables and I imagine would require greater amount of power and hardware.

The example here uses a speaker to project sound off a panel in way to create a balanced harmonic. Two of those combined then creates the focal point. If these guys could find a way to do the same with random surfaces, like the ground, you could project an object in a direction, such as a hover craft.

The benefit of using sound waves compared to Air is that you would have far less if no draft. I wouldn't want to stand under such a craft but it would be far safer to stand next to it than compared to today's Air powered hover craft.

Pretty cool stuff if they could get this on an enormous scale.
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post #14 of 14
Quote:
Originally Posted by Aparition View Post

...This is impressively awesome to view though. If we can manipulate sounds effectively enough we might see hover devices in our lifetime!
They just need to find a frequency beyond hearing that is useable.

Even sound that is too high to hear can damage hearing.
     
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Overclock.net › Forums › Industry News › Technology and Science News › [SY] Scientists Levitate Objects With Sound. (VIDEO)