In the final analysis, by showing that 10 heterogenous clocks across three continents could agree with each other to within a ...

“The optical clock community is strongly motivated to obtain the best possible set of measurements before the SI second is ...

Last month, a consortium of 69 scientists from across Europe and Japan completed the largest and most coordinated comparison ...

In a nutshell Scientists connected 10 ultra-precise atomic clocks across six countries in the largest coordinated timekeeping experiment ever conducted While many clocks agreed to extraordinary ...

Geologists have long debated whether a stony formation in Canada contains the world’s oldest rocks – new measurements make a ...

Get the latest news on President Donald Trump’s second term in the White House and the Republican-led Congress.

Optical quantum clocks developed at the University of Adelaide have been proven to outperform GPS navigation systems by many ...

Quantum sensing specialist Aquark Technologies has completed a second trial of its AQlock atomic clock system, facilitated by the Disruptive Capabilities and Technologies Office (DCTO) of the UK Royal ...

Atomic clocks using optical transitions have much better frequency stability compared to microwave counterparts, but are also more complex, which means their use has been mostly lab-based so far.

A former intelligence officer's 1980 reflections on selecting Cold War targets are worth revisiting in the wake of the second Trump administration, but perhaps not for the reasons you might imagine.