The wonder of being able to put together a few parts and pick up radio signals, without any external power source, never ceases to amaze me! Building and using a crystal radio makes me feel like a kid. Try it yourself and share it with others. If you help a child make one, you will be rewarded with a genuine joy of discovery!
Here are the pages I’ve added about the two radios I’ve made:
One response to “homemade crystal radios”
There’s real magic in pulling radio signals out of thin air with just a few parts and no external power — that never gets old. Your crystal radio I and II pages with step-by-step instructions are exactly the kind of resource that gets newcomers hooked. Crystal radio listening is how many of us first met the dits and dahs of Morse; a free morse code translator like https://morsecodetranslatr.com/ is a fun modern companion for checking what you heard.