By combining ultrasound with a concept called nonlinear acoustics, you can create sound that stays silent until it reaches a ...

The Last Stand," a character claps and sends a shock wave that knocks out an opposing army. Sunny Jung, professor of ...

And, as pretty as they sound, chorus waves can be extremely dangerous to ... (Our planet's magnetic field should look a lot like the field around a bar magnet, but electrically charged particles ...

The process is very similar to ultrasound imaging. However, the sound waves used are within normal hearing range, and they are used to identify objects rather than internal structures. This ...

Speed\((v)\) is in metres per second \(m\,s^{-1}\), distance \((d)\) in metres \((m)\) and time\( (t)\) in seconds \((s)\). Measuring the time taken for a sound wave ...