Your smoke alarm’s chirp can be oddly reassuring, a small sound that suggests everything is still working. Yet the device ...

Flashback to the 1980s, when handheld barcode scanners are just coming on the market, and this programmer pilot fish works for a small company that has big plans for them. “We ordered one so that we ...

One of the most common sounds in the modern world is the beep. From microwaves and cellphones to computers and backing-up trucks, this high-pitched alert pings us from every direction. But how is it ...

Each home security system has its own set of cues and meanings, and you'll need to consult with your manual to work them out. There are, however, a few universal warning sounds used for most household ...