29 The Time the Soviet Russian School children Gave the U.S. a Hidden Spy Device—And It Took Seven Years to Discover It... [Link to article in comments] (media.greatawakening.win) posted 2 years ago by Karmaskeeper81 2 years ago by Karmaskeeper81 +29 / -0 3 comments download share 3 comments share download save hide report block hide replies
How do you power a listening device for seven years on 1945 tech?
It was passive. It essentially had a tuning fork in it that would pick up the vibrations for the conversations. They then used sophisticated technology outside of the embassy to wirelessly pick up on the tuningfork.