Discover the fascinating mechanics behind keys and locks in this informative video. It explores how these everyday tools ...

In the near future, you may not need to touch a keypad to select a tip or pay for large purchases. All it may take is a swipe, tap or other quick gesture.

NFCGest lets credit cards unlock terminals with gesture passcodes—adding security without extra hardware or PIN codes.

Android secures your device by asking you for a PIN, pattern, or full password. What happens if you forget the security method you set up? If you're lucky, you can get back in easily—but that may not ...

"I invented a device to scare them off by playing the sound of killer whales, but it's ended up only attracting them more." But failure with this device is in contrast to the success of his first and ...