[Photo: Randy Sarafan] If you ever bought yourself or your kids a remote-control car, you’ll know how quickly people get bored of them, leaving the toy tossed to one side. However, if you were looking ...

Infrared certainly has its uses, but if you’re trying to locate objects, ultrasonic detection is far superior. It’s contact-less, undetectable to the human ear, and it isn’t affected by smoke, dust, ...

Cars get stolen all the time, but if you want to track yours and make sure you can always find it, Instructables user Jayvis Vineet Gonsalves shows off how to build a system to track a stolen car with ...