HANDA, Aichi Prefecture—A company here that specializes in anti-auto theft devices has developed an alarm system to prevent children from being left behind on buses. Kato-Denki Inc., which employs 25, ...

Back-to-school time requires parents to find ways to get their kids to school on time. Smart alarm clocks can be helpful tools to manage the morning rush. USA TODAY Shopping provides a list of alarm ...

In this step-by-step tutorial, you'll learn how to make a very loud, simple, and powerful alarm using everyday materials. Perfect for enhancing security at home, this video guides you through the ...

In this informative video, you'll learn how to make a door alarm using simple materials and easy steps. Perfect for enhancing your home security, this guide will walk you through the process of ...