The Doomsday Clock symbolising how near humanity is to destruction has been moved one second forward to 89 seconds to midnight - the closest it has ever been. The Bulletin of the Atomic Scientists ...
The ion trap of the new In+/Yb+-crystal clock in its vacuum chamber. The Ions are trapped in the gap that can be seen in the middle of the picture between the gold electrodes (target). A shown-up ...
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