Perhaps the simplest radio one can build is the crystal radio. Using a diode as a detector, the design generally uses less than 10 components and no battery, getting its power to run from the radio ...

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,” ...

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 ...

Crystal radios can feel magical, given their ability to tune in audio from distant stations with nothing but the energy from the radio signal itself. However, to achieve this feat, they typically rely ...

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 ...

The possibility of producing FM crystal radio is shown in this project which can produce a sound with high fidelity that is as good as or better than more expensive AM radios when connected as a ...

U.S. radio stations excelling in community service are being honored by the National Association of Broadcasters. On Tuesday, the NAB released its list of finalists for the 2025 NAB Crystal Radio ...

ARLINGTON, VA. — The National Association of Broadcasters at its State Leadership Conference in Washington, D.C., has revealed the 10 winners of the 38th annual NAB Crystal Radio Awards. The winners ...

The National Association of Broadcasters has revealed the fifty finalists for the 2024 NAB Crystal Radio Awards. The winners will be revealed at the We Are Broadcasters ceremony scheduled on the Main ...