Imagine a clock that doesn't have electricity, but its hands and gears spin on their own for all eternity. In a new study, physicists at the University of Colorado Boulder have used liquid crystals, ...

Imagine a clock that doesn’t have electricity, but its hands and gears spin on their own for all eternity. In a new study, physicists at CU Boulder have used liquid crystals, the same materials that ...

We tend to think of time as scarce, or unruly – either racing away from us or dragging by painfully slowly. As the years pass, it can feel like time is slipping by faster than ever. Thankfully, ...