Doomsday Clock, Atomic Scientists
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The "Doomsday Clock" is a metaphor for how close humanity is to self-annihilation.
Time will no longer be imposed upon us by a cesium fountain clock at the National Institute of Standards and Technology,” says experimental philosopher Jonathon Keats, who is leading the initiative in association with the Institute for Art + Environment and the Long Now Foundation.
Study Finds on MSN
These atomic clocks wouldn’t lose a second in 13.8 billion years
The most precise clocks ever built are now testing Einstein, hunting dark matter, and reshaping how we define time itself. In A Nutshell The world’s most precise clocks are changing how we understand time itself: Unprecedented precision: The best optical atomic clocks wouldn’t drift by more than a second over the entire 13.
Smaller version Illustration of a conventional atomic fountain clock (left) next to NPL’s miniature atomic fountain clock. (Courtesy: NPL) A miniature version of an atomic fountain clock has been unveiled by researchers at the UK’s National Physical Laboratory (NPL).