This title is about one of the most interesting physical phenomenal, device called the "Faraday cage" invented by the famous English physicist Michael Faraday. There is considered the main advantages and opportunities of using such technology, also described the importance of this discovery in the scientific community, its working principles and what physical phenomenons contributed to the operation of this device. At the same time, in article will be described various methods of using this device not only in laboratory conditions and
science objectives, but also in everyday life