A sound wave is a vibration that travels through a solid, liquid or gas such as the air or water. A loud sound has a large amplitude, a high pitched sound has a high frequency. Musicians and ...

Using an air vortex cannon to focus the sound waves from the bass reflex port, it ‘wiggles’ the flame out in a matter of seconds, as illustrated with a thermal camera. Compared to the much ...

Scientists have created a device that works like that, ensuring sound waves ripple in one direction only. The device, ...

Researchers at ETH Zurich have managed to make sound waves travel only in one direction. In the future, this method could ...

The TRANSMISSION of acoustic energy through a medium via a SOUND WAVE. See: SOUND, SPEED OF SOUND. Compare: ACOUSTIC RADIATION. The levels of outdoor NOISE, whether they are intrusive or the normal ...

In context: Sound waves typically propagate in forward and backward directions. This natural movement is problematic in some situations where unwanted reflections cause interference or reduced ...

If you buy through a BGR link, we may earn an affiliate commission, helping support our expert product labs. Scientists at ETH Zurich and the Swiss Federal Institute of Technology Lausanne have ...

See, every sound travels in the form of a wave, also called a sound wave — and each one is different. This is a sound wave of me saying "hello." And here's "goodbye." See? They're different.

When someone speaks, sound waves hit the eardrums, vibrating and sending signals to the brain. But unlike the clarity the eyes offer, ears can struggle in noisy environments, where many different ...

A bladder ultrasound gives providers clues about how the bladder expands and holds urine. This article lists conditions ...

The multinational—and several other defense giants—lost to four college students who knocked drones out of the sky using sound waves. The rookies’ device was developed in the backyard of one ...