Imagine a sound, a tone. Engineering and math might go into creating a musical instrument that can make that tone, but that same sound also depends on acoustics, perception, creativity — a multitude ...

“Musical Bodies,” a new exhibition at the Metropolitan Museum of Art, revels in the blurry boundaries between humans and instruments. By Joshua Barone Visuals by Ye Fan Clap your hands. Tap a foot.

The Doppler effect is a fundamental phenomenon in wave propagation. In 1843, Doppler first generalized the change in frequency of a wave for an observer moving relative to its source 1,2. Nowadays, ...