Not satisfied with the accuracy of the "quantum logic clock" (which only gains or loses one second every 3.7 billion years), the National Institute of Standards and Technology (NIST) and JILA have ...

Researchers at the Ye Lab at JILA (the National Institute of Standards and Technology and the University of Colorado Boulder) and University of Delaware recently created a highly precise optical ...

Call it a clock’s clock. Researchers say they have developed the world’s most precise and accurate clock – besting the World’s current timekeeping record holder — the National Institute of Standards ...

NIST/JILA Fellow Jun Ye works on JILA's strontium clock. Ye has been instrumental in making the clock 50 percent more accurate than it was a year ago. Physicists have measured and controlled seemingly ...

BOULDER, Colo.- A next-generation atomic clock that tops previous records for accuracy in clocks based on neutral atoms has been demonstrated by physicists at JILA, a joint institute of the Commerce ...

Optical lattice clocks are devices that measure the passing of time via the frequency of light that is absorbed or emitted by laser-cooled atoms trapped in a repeating pattern of light interference ...

A next-generation atomic clock that tops previous records for accuracy in clocks based on neutral atoms has been demonstrated. The new clock, based on thousands of strontium atoms trapped in grids of ...

When the international system of units was formalized in 1960, the definition of the second was still derived from an astronomical reference, the Ephemeris Time. Following the measurement 1 of the ...