London's Newest Library Has a Copper Lined Room That Blocks Messages and Emails

2 pointsby aries1980almost 4 years ago

1 comment

simonblackalmost 4 years ago

"Copper Lined Room" = run-of-the-mill Faraday cage.<p><a href="https://en.wikipedia.org/wiki/Faraday_cage" rel="nofollow">https://en.wikipedia.org/wiki/Faraday_cage</a>