Sound wave levitation(sploid.gizmodo.com)
sploid.gizmodo.com
Sound wave levitation
http://sploid.gizmodo.com/amazing-scientists-make-things-fly-around-in-space-usi-1492880964
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http://sploid.gizmodo.com/amazing-scientists-make-things-fly-around-in-space-usi-1492880964
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