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 ...

GREENSBORO, N.C. — It’s happened to all of us: That annoying low-battery chirp that seems to go off only in the middle of the night, or the smoky dinner dish that trips the sensors. We’re talking ...

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Editor’s Note: This article previously appeared in a different format as part of The Atlantic’s Notes section, retired in 2021. Ever wonder why smoke alarms always seem to chirp in the middle of the ...

If you're intrigued by Nest's Protect, but think spending $99 for a fancy smoke alarm is kind of crazy, Roost's WiFi connected 9-volt battery is worth keeping an eye on. It plugs into any old smoke ...

"Smart" smoke and CO2 detectors can do all sorts of clever things, such as notifying absent homeowners via their smartphone if the alarm goes off. However, what if you’ve already got a perfectly good ...