Clocks that tell time more accurately use more energy – new research

This is the first time a measurement has been made of the entropy generated by telling time.

Natalia Ares, Royal Society University Research Fellow, University of Oxford • conversation
May 19, 2021 • ~6 min

Scientists are hoping to redefine the second – here's why

New research has tested the latest generation of atomic clocks.

Ben Murdin, Professor of Photonics and Quantum Sciences, University of Surrey • conversation
March 24, 2021 • ~7 min

Pairing lasers with microwaves makes mind-bogglingly accurate electronic clocks – a potential boon for GPS, cell phones and radar

Researchers have made some of the most accurate clocks imaginable in recent years, but the trick is harnessing those clocks to electronics. Using lasers to tune microwaves bridges the gap.

Franklyn Quinlan, Physicist, National Institute of Standards and Technology • conversation
May 22, 2020 • ~7 min

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