Optical lattice clocks, the pinnacle of timekeeping, are key to exploring the relationship between quantum mechanics and ...

The reconciliation of general relativity and quantum mechanics ... of strontium atoms vertically in grids of laser light. Atomic clocks rely on the steady frequency at which electrons in atoms ...

the traveling clock had indeed gone slower and lost time. But by very little. Researchers calculated that going about a quarter of the speed of light would only change mass, length, and time ...

proposing an expansion of special relativity that includes observers moving faster than light. This fresh perspective shakes up long-held ideas about cause and effect and invites us to imagine an ...

This leads to the core prediction of special relativity: that time and space warp to accommodate light’s speed limit. Moving clocks tick slower and moving rulers appear shorter, so there is no ...

The bivariate Gamma Clock model introduced a novel technique of exposing the relative nature of the passage of time in financial markets. Here Lyudmil Zyapkov overlays the construction of a stochastic ...

In the same way that he had used light’s constant speed to construct the special theory of relativity, Einstein declared this a principle of nature: the equivalence principle. Armed with this ...

Physics has a problem—their key models of quantum theory and the theory of relativity do not fit together ... Likewise, there is no clock that divides the passage of time into arbitrarily ...