Editor’s note: MVS Chandrashekhar is a professor of electrical engineering at the University of South Carolina. In this interview, he explains how smoke detectors work and why they sometimes sound an ...

Add Yahoo as a preferred source to see more of our stories on Google. Properly installed smoke detectors are often the first line of defense against a house fire, keeping the homeowner informed and ...

A smoke detector plays a key role in protecting people and property. It gives early warnings before fire spreads and becomes harder to control. Many home fires start silently, especially during sleep ...