Photonic time crystals are artificial materials whose electromagnetic properties remain uniform in space but change periodically over time. Unlike regular crystals that have repeating patterns in ...

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

The single crystals currently used in semiconductors, electronic devices, and optical devices can't take the heat. This is ...

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.

Researchers have created a record-breaking "time crystal"—a bizarre phenomenon that sounds as if it came straight out of science fiction. A team from Germany's Technical University of Dortmund ...

Just when scientists thought they knew everything about crystals, a Northwestern University and University of Wisconsin-Madison collaboration has uncovered a hidden secret.

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 ...

Do Crystals Really Have Magical Healing Powers? Here’s What the Science Says Believers claim crystals act upon your body’s “energy field,” but it’s questionable if such a thing even exists.