Credit: Physikalisch-Technische Bundesanstalt Breakthrough Optical Atomic Clock Sets New Accuracy Record in Quest to Redefine the Second The next generation of atomic clocks operates using laser ...

Intended for first responders, the original Provoke was a morphing karambit with a “kinematic” system that deployed the blade by drawing it up and out while allowing the user to maintain their grip.

Decorating an entryway elevates it from a plain, transitional space into an area of the home that demands attention. A well-designed entryway shows a lot of intention and enhances the rest of 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 ...

Winter is winding down as the sun sets 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 an hour ...

“Sunrise alarm clocks are not a gimmick — they are particularly useful for people who struggle with waking up in the dark, such as during winter,” Dr. Dasgupta added. “Certain patients ...