Radios and walkie-talkies may seem like relics from your childhood, but nothing can quite compare to the convenience and simplicity of a pair of two-way radios. The freedom from reliance on a cellular ...

Well before the days of the tweet and the status update, people communicated with each other over sweeping distances by quite literally harnessing the earth's magnetic field to send messages via radio ...

What if you could broadcast signals across the globe using just a credit-card-sized computer and a handful of components? It might sound like a scene from a sci-fi novel, but with a Raspberry Pi and ...