On vacation in Mexico five years ago, I heard “La Cucaracha” blaring from a ’70s-era Volkswagen Beetle, not when the driver turned up the stereo, but when he blared his horn. I thought to myself, “How ...

Tesla's new Boombox mode came in late December as part of a holiday firmware update. The feature lets drivers change the sound their car makes when driving, swap out the horn, or broadcast music from ...

Horn sections have been around popular music since the day one caveman blew through a conch shell and his buddy joined in on a hollow yak bone. Classical composers learned to blend brass and woodwinds ...

Sound permeates the human experience and gets our attention, sometimes traumatically so. Consider the car horn. It is a widespread practical application of this noise-trauma-alert principle -- and an ...