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 ...

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 ...

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.

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.