A group of international researchers have developed a way to use sound to generate different types of wave patterns on the ...

Called a cymascope, it's designed to create and tune repeating patterns of waves, like those formed in ... quarter-inch-deep dish of water vibrated by a speaker. The camera peers down on the ...

For a lot of reasons, home etching of PCBs is somewhat of a dying ... which is soluble in water. This allows the copper that was once bonded to the PCB substrate to be rinsed away.

Researchers manipulated water waves to move ping pong balls with a level of precision that seems straight out of a sci-fi movie.