Science

Groundbreaking Discovery: First Visible Time Crystals Created with Light—Future on $100 Bills?

2025-09-09

Author: Charlotte

A Stunning Breakthrough in Physics

In a revolutionary development, scientists have unveiled the first visible time crystals—an extraordinary feat that could potentially transform the future of high-denomination currency, including $100 bills.

What Are Time Crystals?

Time crystals, a concept introduced in 2012 by Nobel laureate Frank Wilczek, are fascinating structures of particles that exhibit a repeating pattern over time, similar to how regular crystals possess a fixed arrangement in space. This property has captivated physicists, as it challenges our understanding of symmetry in physical laws, which remain consistent regardless of direction.

The Magic of Light and Liquid Crystals

The breakthrough arose when researchers discovered that light shining on liquid crystals—those used in LCD screens—creates visible "psychedelic tiger stripes." These dynamic structures, now observable under a microscope and even with the naked eye, open exciting avenues for exploration and practical use.

How Are They Made?

The research team, including graduate student Hanqing Zhao, cleverly sandwiched liquid crystals between two dye-coated glass plates. The right pressure caused these liquid crystals to create mobile kinks, akin to atoms, that shift and interact when illuminated. Zhao described it as emerging from 'nothing'—just a splash of light reveals a new world of time crystals.

Applications: From Anti-Counterfeiting to Data Storage

Not only are these time crystals visually mesmerizing, but they also hold immense practical potential. Researchers are exploring their use as unique 'time watermarks' to enhance anti-counterfeiting measures on banknotes. Furthermore, stacking these crystals could yield complex patterns capable of storing vast amounts of data.

A World of Possibilities Ahead

Ivan Smalyukh, a physics professor involved in the study, emphasized the limitless applications of this technology. The new findings, published in the prestigious journal Nature Materials, pave the way for innovations across telecommunications, security features, and beyond. Stay tuned, as the world of physics just got a lot more colorful and dynamic!