
Engineers have created tiny acoustic vortices and used them to grip and spin microscopic particles suspended in water.
http://feeds.sciencedaily.com/~r/sciencedaily/~3/IGQw-5YNAQc/150529083555.htm
Engineers have created tiny acoustic vortices and used them to grip and spin microscopic particles suspended in water.
http://feeds.sciencedaily.com/~r/sciencedaily/~3/IGQw-5YNAQc/150529083555.htm