What is the best overall DIY home security system? Home security has become increasingly important as break-ins and robberies become more common and sophisticated. Setting up a home security ...

[Tony Messina] had been fascinated with bat’s echolocation since he was a kid. After he retired, he decided to act on this fascination and built a simple bat detector. The simple bat detector ...

Arduino is a popular open-source development board used by engineers, hobbyists, and makers to develop electronic projects and prototypes easily.

This advertisement has not loaded yet, but your article continues below. Images of the tests showed what appeared to be a BMW sedan being destroyed and old models of tanks being blown up More than ...