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 ...

This article will help you build a simple Arduino-based DCC system. Growing up in the 1980s I was living the dream. I had an HO layout on a 4 x 8 sheet of plywood in my parents' basement in Reading, ...