
Source from: JL Admin | 2014-07-17
The essence of levitation technology is the countervailing of gravity. It is known that an ultrasound standing wave is capable…
Credit: © 96ochiai.ws/3DOFacoustic

Source from: JL Admin | 2014-07-17
Most loudspeakers work using a diaphragm that creates pressure waves in air by mechanically vibrating. “For human audibility, an ideal…

Source from: JL Admin | 2014-07-17
Audacity is a free, easy-to-use, multi-track audio editor and recorder for Windows, Mac OS X, GNU/Linux and other operating systems. The interface…

Source from: JL Admin | 2014-07-02
In a materials science laboratory at Harvard University, a transparent disk connected to a laptop fills the room with music—it’s…