Levity: using lower frequency sonics. It gets very interesting when the frequencies are orders of magnitude higher and the weight is 1000s of pounds.pic.twitter.com/yPNWsJ7U0o
Paco, I understand and appreciate you insights. The energy levels are as important as the frequencies. As we move past ultrasonics we achieve higher resolution in control and direction. I am certain you agree, millimeter waves are potentially more powerful then audio.
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Not really. The only reason you're able to levitate small objects in the first place is because they're trapped between the nodes of standing waves. Any object larger than that node will fail to be trapped. Can do the same with optical "tweezers", but only with μm particles.
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And, yes, intensity matters. But at the intensity required to lift a pound of material off the ground, you're basically recreating an explosive detonation many times per second. You'll blow out your eardrums and anyone foolish enough to be anywhere near that contraption.
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