The start of the new year is the perfect time to double check your home's smoke alarms to be sure they're properly installed ...

Applying a voltage across the detector and recording ionization energy reveals neutrino collisions. Similarly elusive, dark ...

When smoke enters the detector, it disrupts the flow of current and activates the alarm. Ionization smoke alarms work best on fires with active flames, also called “flaming fires,” McKelvey says.