/technologies/robotics/b/blog/posts/ultrasonic-levitationUltrasonic levitation, also known as acoustic levitation, has been demonstrated a few times already. However, until recently it has not been possible to manipulate the suspended objects in free space. The levitation suspends objects in air by exploiten-USTelligent Community 12https://community.element14.com/technologies/robotics/b/blog/posts/ultrasonic-levitationTue, 14 Jan 2014 20:31:45 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:22239bd0-093f-451a-8d2d-5be2dddea69fDAB0<p>Interesting.</p><p>I know that there is speculation that the ancient Egyptians used something like this to build the pyramids.</p><p>There might actually be proof that such tools are indeed possible.</p><p>&nbsp;</p><p>DAB</p><img src="https://community.element14.com/aggbug?PostID=16838&AppID=36&AppType=Weblog&ContentType=0" width="1" height="1">