Schneier on Security Blog Newsletter Books Essays News Talks Academic About Me Search Powered by DuckDuckGo Go Blog Essays Whole site Subscribe ndle Friday Squid Blogging: Nano-Sized SQUIDS SQUID news: Physicists have developed a small, compact superconducting_quantum interference device (SQUID) that can detect magnetic fields. The team focused on the instrument's core which contains two parallel layers of graphene: As usual, you can also use this squid post to talk about the security stories in the news that haven't covered: