Atomic Clocks Experiment Reveals Time Dilation at The Smallest Scale Ever

In his theory of general relativity, Einstein predicted something called time dilation: the notion that two clocks under two different gravitational pulls will always tick at different speeds.   The effect has been observed in many experiments since, but now scientists have recorded it at the smallest scale seen so far. The result was achieved using … Read more

This New Record in Laser Beam Stability Could Help Answer Physics’ Biggest Questions

Scientists are on a mission to create a global network of atomic clocks that will enable us to, among other things, better understand the fundamental laws of physics, investigate dark matter, and navigate across Earth and space more precisely.   However, to be at their most effective, these clocks will need to be reliably and … Read more

What the thermodynamics of clocks tell us about the mysteries of time

Surprising new insights about the strange physics underlying how clocks work could transform our understanding of time’s arrow – and hint at how time works at the quantum scale Physics 29 December 2021 By Miriam Frankel Hardziej Studio A CENTURY ago, two intellectual giants met to debate the nature of time. One was the French … Read more