Levitation: Droplets surfing on sound waves

[unable to retrieve full-text content]Researchers are able to make objects such as particles and liquid droplets fly in mid-air by letting them ride on acoustic waves. For the first time, they have been able to also control the movement of objects, merge droplets, letting them react chemically or biologically and even rotate a toothpick in the air.

Source: http://feeds.sciencedaily.com/~r/sciencedaily/top_news/~3/ucm1QK8UPIU/130716140702.htm

neil armstrong