Ph.D. Takayuki Hoshi, Nagoya Institute of Technology.
This device can move a object put over it without physical touching. These pictures are captured from a web-site below,
An article of the device is saw in a magazine published in Japan. FYI, a link for the magagine is here. (Japanese).
Here is a comment from Ph.D.Hoshi. (Thank you very much)
The ACM-202 saved my time to design a new PCB for BGA package FPGA offering me 296ch I/Os. It was great help for me. My draft paper published in the Interface magazine is available here,
[kw] 2014-11-05 ACM-202 USB-103