WIRED spoke with a physicist at Argonne National Laboratory to find out how acousticlevitation works and what it's used for.
2
There are actually many different forms of levitation including something called acousticlevitation, which uses powerful sound waves to trap objects in mid-air.
3
Acousticlevitation has been used before, said University of Vermont physicist Junrun Wu, coauthor of the study.
Ús de acoustophoresis en anglès
1
With such interplay of emitters and reflecting soft-structure, a 5 mm steel sphere (0.5 grams) was contactlessly transported in air solely by acoustophoresis.