The University of Chicago Chronicle3y
The Doomsday Clock, explained
The clock hands are set by the Bulletin of the Atomic Scientists, a group formed by Manhattan Project scientists at the University of Chicago who helped build the atomic bomb but protested using it ...
Time25d
How Counting Down to Midnight on New Year’s Became a Tradition
Today, counting down to midnight is a time-honored feature ... launches and atomic bomb blast tests. The Bulletin of the Atomic Scientists had introduced the Doomsday Clock in 1947.