You may not think about how well the smoke alarm in your home is helping to keep you safe until that annoying beeping starts, telling you that it’s time to change the batteries. But consider — when ...
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 ...
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