Acoustic frequency filters, which convert electrical signals into miniaturized sound waves, separate the different frequency ...

Researchers have developed a highly accurate single cell sorting technology using focused sound waves. This new technology enables rapid and accurate isolation of single cells from complex biological ...

Sound wave enables the sensation of hearing, and is an important way of communicating in the animal world. In physics, sound is considered as a mechanical vibration that can propagate in gases, ...

This circuit generates a two-tone effect very much alike the cuckoo song. It can be used for door-bells or other purposes thanks to a built-in audio amplifier and loudspeaker. Agreeable, very close ...

FAIRFAX, Va. – It happens so quickly you almost don’t believe it: Seth Robertson and Viet Tran ignite a fire, snap on their low-rumbling bass frequency generator and extinguish the flames in seconds.

If you find yourself in the Australian port city of Albany and spot a humongous yellow machine bobbing in the waves of King George Sound, don't be alarmed. It's just a generator prototype making a ...