Smoke detectors (not just their batteries) have a temporary shelf life. Find out how long yours will last, and how to know it ...

Winter has a special talent. It waits until it’s 10°F (-12°C), dark, and you’re wearing socks… then it springs a leak, a ...

Ionization smoke alarms use a battery and two metal plates, called electrodes, to create an electrical circuit. Ions are tiny, electrically charged particles that flow through the circuit and between ...