You may have never used Raspberry Pi or Arduino, but chances are you’ve heard of them. Raspberry Pi has been the bestselling British computer for years now, and Arduino has been transforming the DIY ...

Per Holmquist has always had a finely tuned ear for music. "When I hear a song for the first time I know, 'Okay it will be a hit,'" he says. But he never learned to play an instrument. Taking lessons ...