Before the Raspberry Pi came out, one cheap and easy way to get GPIO on a computer with a real operating system was to manipulate the pins on an old parallel port, then most commonly used for printers ...

Are you a fan of high-quality audio but don't want to put anything in your ears? These are our favorite on-ear and over-ear headphones. I've been a contributing editor for PCMag since 2011. Before ...

Get ready for your aha moment: Every weekday, host Meghna Chakrabarti pierces your news bubble to expose the whole story. Getting answers to the questions that need to be asked, examining our history ...