Across the United States, noise pollution is not just an inconvenience – it is a safety concern and health hazard.
No one can turn the daily noise down with a remote control. The noise barriers between city streets, busy job sites and public spaces have virtually dissolved. A common noise in urban and some rural settings comes from backup alarms on heavy machinery.
Today, technology offers alternatives to these alarms. One such technology replaces the traditional beeping noise with a sound that covers a broad band of frequencies. Workers on the job site can hear the
Alarms Without Noise
Today’s technology can alert people on work sites to backing machinery without waking up the whole neighborhood.
Nov 27, 2012
| by Henry Morgan |













