sound wave

Still, these were plasma waves, and not sound waves.

They point to a health centre that they say struggles to accurately measure patients' blood pressure at times because the sound waves from the concerts disturb the readings in their machines.

To counter this, they used a “sonicator”, which blasts the bubbles with sound waves in order to dislodge them.

They call this process “Chromasonic Refrequencing,” and it’s an attempt to synchronize light and sound waves, using technology to visualize these frequencies.

Depending on its dimensions, the cylinder will ring with radio waves of a specific frequency, just as a bottle will whistle with sound waves of a set pitch if you blow across its mouth.