In a statement outlining the change, the Board highlighted three main reasons for “moving the Doomsday Clock from 90 seconds ...

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 ...

These optical clocks are still in the testing phase, but some of them are already a hundred times more accurate. This is why they are to become the basis for the global definition of seconds in the ...

Winter is winding down as the sun is setting later each day, but nothing says spring like the day we spring the clocks forward. Under the current daylight saving period, most Americans will lose ...

They will therefore become the future basis for the worldwide definition of the second in the International System of Units (SI). However, these optical clocks must first prove their reliability ...

Instead, they will strengthen deterrence, especially against China. The Trump administration should revise Department of Defense (DoD) Directive 3000.09 (Autonomy in Weapons Systems), to support the ...

Ted Bundy broke into the Chi Omega sorority house and killed two residents: Margaret Bowman and Lisa Levy. He also attacked two others who survived. The murders have gone down as one of the worst ...

This is where waking up with a so-called sunrise alarm clock — which mimics sunrise through the gradual brightening of a light — can help your body wake up more naturally, experts say.

With an around-the-clock system, transport networks and logistics providers could operate through the night, transporting produce before spoilage sets in, especially for perishable products like ...