Quantum mechanics has always carried a quiet tension. At its core, the theory allows particles to exist in many states at ...

Quantum theory has long treated time as a silent backdrop, a parameter that never jitters even as particles flicker in and ...

The most precise clocks ever built are now testing Einstein, hunting dark matter, and reshaping how we define time itself. In ...

A study by physicists affiliated with the Foundational Questions Institute (FQxI) found that time ...