Your smoke alarm’s chirp can be oddly reassuring, a small sound that suggests everything is still working. Yet the device ...

We’ve all been there. It’s 2 a.m. and you hear an eardrum-piercing beep. Your first reaction is to cover your head with a pillow and pretend it never happened. Eventually the slow chirping takes ...

Your smoke detector’s beeping is supposed to protect you, not confuse you. Yet there are moments when a chirping alarm is a ...