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 ...

Many people have been wondering what a Faraday cage is and why they are important for emergency preparedness. A Faraday cage is a sealed enclosure that conducts electricity to the outer layer. Some ...

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 ...

As part of a team reverse-engineering the binary blob driver for the ESP32’s WiFi feature at Ghent University, [Jasper Devreker] saw himself faced with the need to better isolate the network packets ...

Electronics in the Life Sciences. By Stephen Young — When I visited Stephen Young in his laboratory in Edinburgh a few years ago, I was first struck by the size of his Faraday cage, and then, on ...