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 ...

Imagine a world where sound becomes visible. In a room full of conversation, we would see soundwaves flowing from person to ...

“Second sound is the hallmark of superfluidity, but in ultracold gases so far you could only see it in this faint reflection of the density ripples that go along with it,” lead author Martin Zwierlein ...

Low frequencies correspond to deep sounds, like a bass drum; high frequencies correspond to sharp sounds, like a whistle.

Pressure changes can be plotted on a waveform, which highlights the air particles being compressed and rarefied ... On a waveform, this would be highlighted by a periodic sound wave. On a spectrogram, ...

A new software that simulates complex wave scattering ... model the way waves – sound, water, or light – are scattered when ...

But in some exotic materials, heat doesn’t just spread; it sloshes back and forth like a wave. This bizarre phenomenon, known ...