YouTube user 2sudsy sent in this eye-catching video of his intricate and beautiful crystal set radios. He describes how and why he builds them. They require no external power or batteries!
Crystal set radios
Becky Stern is a Content Creator at Autodesk/Instructables, and part time faculty at New York’s School of Visual Arts Products of Design grad program. Making and sharing are her two biggest passions, and she's created hundreds of free online DIY tutorials and videos, mostly about technology and its intersection with crafts. Find her @bekathwia on YouTube/Twitter/Instagram.
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