From left, Siegfried Hecker, Daniel Holz, Sharon Squassoni, Mary Robinson and Elbegdorj Tsakhia with the Bulletin of the Atomic Scientists remove a cloth covering the Doomsday Clock at a news conference at the National Press Club in Washington. Photo Attributable to Jamie Christiani, Bulletin of the Atomic Scientists

As of Tuesday of this week the Doomsday Clock displayed a time of 90 seconds before midnight. The Doomsday Clock was invented in 1947 by the scientists…