Introduction Have you ever wondered how crystals are made? Crystals come in all different shapes and sizes. The purest and cleanest crystals, however, are usually also the ones that grow to be the ...

The fundamental challenge has been that creating photonic time crystals required materials to change their optical properties by nearly 100% – a feat that would demand enormous amounts of energy.

Crystals might look simple, but their growth tells a far more complex and fascinating story. From grains of salt to diamonds, ...

Mislabeled, lab-grown, and made from plastic—fakes abound in the crystals industry. Who’s going to do anything about it?

Imagine a clock that doesn't have electricity, but its hands and gears spin on their own for all eternity. In a new study, ...

Months after physicists made a self-standing time crystal, they've made one that works at room temperature, expanding the real-world uses of the quantum matter.

One crystal even glowed a bright lime green under UV light from adding highlighter fluid during the growing process. “I’m pretty blown away actually when I see some of these things,” Jason Benedict, ...

A liquid crystal source of photon pairs Date: June 14, 2024 Source: Max Planck Institute for the Science of Light Summary: Spontaneous parametric down-conversion (SPDC), as a source of entangled ...

Crystals may be possible in time as well as space Theory proposes objects in their lowest energy state can loop in the fourth dimension forever ...

The authors describe their crystal as a ruler, one that provides periodic landmarks in an otherwise featureless space. The periodicity introduced by the presence of the atoms allows us to measure ...