New atomic clocks are more accurate than those used to define the second, suggesting the definition might need to change ...

The metaphorical clock measures how close humanity is to self-destruction, because of nuclear disaster, climate change, AI ...

A solid-state nuclear clock has a great potential to become a robust and portable timing device that is highly precise.

En-route to nuclear clocks, researchers have found a resonant mode in thorium atom nuclei with a low temperature coefficient - nuclear oscillators are ...

The threat of GPS jamming extends beyond aviation. Without GPS, our lives would grind to a halt: in 2017, a government report ...

Kyoto-based precision equipment manufacturer Shimadzu Corporation has begun selling the ... lattice clock, developed in collaboration with The University of Tokyo and RIKEN, is about 100 times more ...

Resembling a squat, wide fridge, the world's most accurate clock went on sale for $3.3 million in Japan on Wednesday.

The strontium optical lattice clock is the first of its kind to be commercially available and will cost about 500 million yen ($3.3 million).

After approximately four months of observing standard time, clocks will spring forward overnight as the observance of daylight saving time begins in much of the United States.

Daylight Saving Time will start on Sunday ... A number of national metrology laboratories around the world maintain atomic clocks. Once your radio-controlled clock has decoded the signal from ...

Resembling a squat, wide fridge, the world's most accurate clock went on sale for $3.3 million in Japan on Wednesday. Known as a "strontium optical lattice clock", it is 100 times more accurate than ...