Hold on to your wand, Harry Potter: Science has outdone even your best "Leviosa!" levitation spell. Researchers report that they have levitated objects with sound waves, and moved those objects around ...
Practical levitation is something that has been eluding scientists for decades. However, a recent development in Tokyo may help bring practical levitation out of science fiction and into reality.
Streams of sound are now all you need to make objects dance in the air and combine. A levitation device is the first to use high-frequency sound waves to bring together floating particles and liquid ...