Companies are duping people into buying fake Faraday cages they say will block harmful radiation and 5G, but keep home WiFi signal intact. A real Faraday cage, however, would block all electromagnetic ...

I wrapped my router in foil; download dropped ~50% and ping rose ~67%, so the signal was partially blocked. Upload barely changed; upload speed seemed ISP-limited, not much affected by the foil. My ...

Okay, I'm doing a presentation on Michael Faraday for tomorrow's physics class. I looked up on him on the Intarweb, and found stuff about the Faraday cage, and how to make a cheap, homemade ...

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