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Build a Radio Wave Detector With Balls of Aluminum Foil!

Here’s how you can hack together a radio transmitter and receiver out of stuff you have at home—and explore the weirdness of wireless.

First seen · 11:00 AM UTCMay 16, 2026

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Build a Radio Wave Detector With Balls of Aluminum Foil!Here’s how you can hack together a radio transmitter and receiver out of stuff you have at home—and explore the weirdness of wireless.
11:00 AM UTC

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