Faraday cage


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Faraday cage

[′far·ə‚dā ‚kāj]
(electricity)

Faraday cage

A shielded enclosure used to block electric fields from reaching its content. Constructed of metal, the cage conducts current on its exterior but prevents it from reaching inside. The Faraday cage was invented by physicist Michael Faraday in 1836.

Home-made cages are made by wrapping a cardboard box with aluminum foil or using metal garbage cans or anti-static bags. Items placed inside can also be wrapped with layers of aluminum foil. See EMP and Farad.
References in periodicals archive ?
After that, these pulses are transferred by the light guide to the Faraday cage. In Faraday cage these pulses are detected by a photomultiplier tube.
It uses only nonferrous materials in the coaxial caliber 8508 movement, eliminating the need for a Faraday cage altogether while remaining resistant up to 1.5 tesla (15,000 gauss).
Anti-debugging will also be implemented during the voting event which will hinder any possible reverse engineering of computer codes just in case the Faraday cage is not enough.
Raabe Company, LLC, provides a black or white touch-up coating pen for applying a small amount of coating to cover nicks, scratches, Faraday Cage, light spots, shipping and installation flaws, and other blemishes.
Other methods include putting energy-efficient windows in buildings, physically blocking radio signals or even turning a building or office into a 'Faraday Cage' using mesh metal.
Pearse and Hickey [26] and Yanar and Kwetkus [27] measured the charge density of plastics with a nickel and copper cyclone, using Faraday cage in consideration of air velocity and relative humidity.
Allie and Ash had taken their children to the Observatory near the city and the astronomers had put them in a Faraday cage: a kind of large box that screens out electromagnetic fields.
One possible way to stop cheating via mobile phones would be to put a Faraday Cage around every exam hall in the country to disrupt the connection, said the report's author, Professor Jean Underwood.
The copper bands of their early Signal Box 4 Auf dem Wolf--which both become three-dimensional and transform from sealed to perforate through rotation from vertical to horizontal--were ostensibly designed to function as a Faraday cage as well as a visual screen.
An ideal EMC solution is to have the enclosure completely closed--sometimes called a Faraday Cage. Conversely, an ideal thermal solution would be an enclosure with numerous vents to dissipate the heat.
The DSTQ's electromagnetic reverberation chamber, located at its Edinburgh laboratory near Adelaide, South Australia, consists of a former workshop, floor, walls, and ceiling of which have been lined with welded steel sheets to create a Faraday cage. The chamber can use a variety of radio-frequency (RF) emitters and is dubbed a "mode-stirred" facility, because it employs a large, revolving RF reflector which "bounces" RF emissions around the chamber so that they are reflected off the walls, ceiling, and floor to irradiate the aircraft and missile from all directions, much like food being rotated in a microwave oven.
The frame is joined to the body at three points which helps turn the car into a Faraday cage, allowing it to withstand direct lightning strikes.