How does an alarm bell work?

Answer Even in the age of electronic buzzers, motorized or electromagnetic alarm bells still ring out in countless facilities to warn occupants of a fire or other emergency.FunctionAlarm bells alert peopl... Read More »

Top Q&A For: How does an alarm bell work

Do alarm systems work?

On One Hand: Security for Your Home and FamilyA Rutgers University study shows that having an alarm system reduces burglaries for a home and the community. Beyond deterrence, security systems alert... Read More »

Have you set your alarm clock for work as yet?

I have, and I hope you enjoy your day off

Will your alarm system work when you need it?

On One Hand: Alarms Are ReliableMost burglar alarm systems are eminently reliable. Do-it-yourself systems have detachable components with their own power sources, while wired systems are usually mo... Read More »

How Alarm Remotes Work?

The 1997 Ford Taurus oxygen sensor threads into the exhaust system just below the catalytic converter. When your car's "Check Engine" indicator is on and your gas mileage has substantially decrease... Read More »