We’ve all been there. It’s 2 a.m. and you hear an eardrum-piercing beep. Your first reaction is to cover your head with a pillow and pretend it never happened. Eventually the slow chirping takes ...

Smoke detectors beep when the batteries need changing. They may also beep when they're malfunctioning and need to be replaced. Smoke detectors are sensitive to smoke and extreme temperatures, and ...

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 ...