A crystal radio is often a kid’s first introduction to building something electronic. [Billy Cheung] is a crystal radio builder who wants to “make crystal radios as easy to use as regular radios.” ...

The AM broadcast band doesn’t have a lot of mainstream programming on it across much of the United States today. That’s a shame because a lot of kids got their first taste of radio and electronics by ...

A crystal radio set is almost like magic. Sound appears, seemingly out of nowhere, powered not by cords and batteries, but by the very air around you. “You can’t quite work out how it comes alive,” ...

Crystal Radios are an old standby of GeekDads. For the early mists of time Geekdads have been showing kids how to pull radio stations from thin air with the barest snips from the basement. Here are ...

One of the challenging aspects of the coronavirus COVID-19 crisis is the time spent at home in quarantine. For those with a Do-It-Yourself (DIY) bend, this might be the perfect time to build a fairly ...

Many years ago when I was about 10 years old I received the gift of a crystal radio. I think it had about three parts. What was the crystal and how did it work? A crystal radio? Did you hook the ...

Back before cell phones … before video games … before television … even before electric radios, there were crystal radio receivers. In the early 1920s and 1930s, magazines offered instructions on how ...