The concept is called thermoacoustic refrigeration -- using sound waves to cool something. The technology offers several advantages over conventional cooling systems, says a Purdue University engineer ...

Prandtl hopes, perhaps optimistically, to stretch the range of its “Sound Matrix”, as employees refer to the kit, to roughly ...

NASA created a haunting audio clip of sound waves rippling out of a supermassive black hole, located 250 million light-years ...