LifeBeam's heart-rate-sensing hat isn't such a dumb idea.
Black Hat 2014
It's a hat. It's a heart rate hat. Why? Well, see for yourself. Heads-on in Barcelona.
More socially acceptable than a helmet, the BulletSafe bulletproof baseball cap provides ballistic protection for your head without drawing attention.
Technically Incorrect: A PlayStation 4 isn't small and it isn't light. Not even for the allegedly light-fingered. So is it possible to shove one down your trousers? Allegedly, yes.
Get ready to head back to the '80s. A new iOS app called VHS Camcorder turns your videos into grainy clips straight out of the VHS days. Complete with time and date stamp.
Let's face it, the calendar app that came with your phone isn't always the best choice for managing your schedule. Replace it with one of these pretty and helpful alternatives.
Amazon and Netflix are funding their own TV shows and movies to win your favour, and they're betting on star power to do it.
Browse our list of cameras to see if do-it-yourself home security is right for you.
Google co-founders Larry Page and Sergey Brin are confirmed fans of HBO's "Silicon Valley." The Easter egg in their post renaming the company Alphabet suggests their fan status may go a step above the rest.
Reporter's Notebook: From cars to security badges, if you build it, they will hack it at Defcon, the annual meeting of cybersecurity pros.