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 ...

Shielding is crucial for all manner of electronic devices. Whether you want to keep power supply noise out of an audio amplifier, or protect ICBMs against an electromagnetic pulse from a nuclear ...

Say you wanted to protect your Wi-Fi network from surrounding buildings. The most obvious way to do this would be to secure the devices on your network using the wireless security protocol of choice.

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 ...

An electric charge (like a proton) creates an electric field in the region around it. This field points away from positive charges and decreases in strength as it gets farther away from the charge.