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, ...

A radar system that can track missiles flying five times the speed of sound has been delivered to the U.S. military, marking a major upgrade to one of its most essential missile defense systems. The ...