
Physics Can Explain How the Inner Ear Picks Up Faint Sounds
Sitting in traffic can expose a driver to intense irritation, as well as a range of sound frequencies. Humming engines typically emit low-frequency sounds, while car horns release high-frequency blasts. Emergency vehicle sirens are high-pitched, and the rumblings from large trucks are lower-pitched. For most people, their ears are able to process these wide-ranging sounds…