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 ...

It’s not just ex-NASA engineers who are trying to develop easier-on-the-ear car horns. Researchers in South Korea, too, have been working on creating the ideal honking sound that isn’t as grating as ...

Ringing a bike bell to warn off a car driver is worse than doing nothing, because at least doing nothing won’t make you feel angry and impotent. Honking a car horn, on the other hand, will make a ...