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Earth's Radio Bubble: Every signal we've ever sent into space (news.ycombinator.com)

2026-05-18 | get SETI Institute Radio Telescope → | tags: marconi, radio bubble, electromagnetic radiation

Build a Radio Wave Detector with Balls of Aluminum Foil (news.ycombinator.com)

2026-05-15 | by Rhett Allain | get Aluminum Foil Radio Wave Detector → | tags: radio waves, aluminum foil, electromagnetic radiation

Build a Radio Wave Detector With Balls of Aluminum Foil! (wired.com)

2026-05-15 | by Rhett Allain | get Aluminum Foil Radio Wave Detector → | tags: radio waves, aluminum foil, electromagnetic radiation

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