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January 20th, 2018

Texas hobbyist 3D printed crystal radio works without a battery or external power source

3D printing technology has been around for a while now, but radio technology has been around for even longer. Tech-minded enthusiasts have been playing around with homemade equipment to pick up radio signals and even make their own broadcasts for decades, via 3ders.org, http://www.3ders.org/articles/20180120-texas-hobbyists-3d-printed-crystal-radio-works-without-a-battery-or-external-power-source.html

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Check out this great gadget!