Sound waves are used to 'levitate' tiny beads

[السياسي]

Researchers from the University of Bayreuth in Germany presented their levitating ball at a conference in Tokyo.

https://www.dailymail.co.uk/sciencetech/article-6472043/Scientists-levitate-objects-just-POINTING-Sound-waves-used-control-tiny-beads.html?ns_mchannel=rss&ito=1490&ns_campaign=1490 ]قرااء المزيد ..... [/url]