Whether you want to keep your devices secure during a protest or are just prepping for doomsday, here's how to shield your gadgets from electromagnetic fields. My title is Senior Features Writer, ...

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 ...

Storing phones in odd places has become a favorite practice of those afraid of spies infiltrating their devices. National Security Agency leaker Edward Snowden famously asked visitors in Hong Kong to ...

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.

OK, I know some stuff about this, but not really enough to be sure of my assumptions.<BR><BR>I know a Faraday cage is a complete enclosure of conductive material around something. This means that no ...

Looking like a deathtrap in a movie, this room at one of the ESA's test centers plays a critical role in satellite building. Freelancer Michael Franco writes about the serious and silly sides of ...

A radio is able to receive signals and make sound when outside a Faraday cage. The cage blocks the signals when placed over the radio, silencing it. The cage gaps are on the order of centimetres, but ...

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.