Why do smoke alarms keep going off even when there’s no smoke?

Editor’s note: MVS Chandrashekhar is a professor of electrical engineering at the University of South Carolina. In this ...
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Why your smoke detector keeps chirping (it’s not the battery)

That random chirp at 2:13 a.m. is enough to make a grown man question his life choices. You changed the battery. You pressed the test button. You even stood on a chair in your socks, squinting at the ...
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Check Your Smoke Detector: Some Models May Not Sound During an Emergency

A CPSC warning urges consumers to stop using certain JNHCD combination smoke and carbon monoxide detectors because they may fail to alert households to dangerous smoke and fire. Check your detectors, ...