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, ...

Physicists have just made a new breakthrough in the enigmatic realm of time crystals. For the first time, a time crystal has been built that can be directly seen by human eyes, rippling in an array of ...

Photonic space-time crystals are materials that could increase the performance and efficiency of wireless communication or laser technologies. They feature a periodic arrangement of special materials ...

Explore the fascinating world of time crystals, a groundbreaking state of matter that defies physics and moves endlessly in ...

Photonic time crystals consist of materials with uniform composition in space but properties that vary periodically over time. With this periodic variation, the spectral composition of light can be ...