smoke detectors

Early Warning Fire Alarm Detects The Telltale Gases That Precede Smoke

A well-maintained smoke detector is a must for every home, but often, smoke isn’t the first byproduct of a smouldering fire. So researchers have developed a new kind of fire alarm that detects carbon monoxide and nitrogen oxide instead, to identify fires at an earlier stage.

Tattletale Smoke Detector Knows When And What You’re Smoking

Just because it’s illegal for people to smoke in certain areas, it doesn’t necessarily mean they won’t, and putting up a ‘No Smoking’ sign isn’t much of a deterrent. So Joseph BelBruno, a chemistry professor from Dartmouth College, has turned his research on second-hand smoke into a new kind of…