NSA leaker Edward Snowden asked journalists who visited him in Hong Kong to put their phones in his room’s refrigerator, relying on the fridge’s material properties to serve as an inadvertent radio-wave-spoiling Faraday cage.
NSA leaker Edward Snowden asked journalists who visited him in Hong Kong to put their phones in his room’s refrigerator, relying on the fridge’s material properties to serve as an inadvertent radio-wave-spoiling Faraday cage.