Scientists Created a Crystal From Everyday Materials That Doesn’t Just Exist in Space, It Exists in Time Too

For centuries, scientists have studied crystals because of their beautiful and organized structures. From diamonds to salt, ordinary crystals are defined by atoms arranged in repeating patterns across space. But what if a crystal could repeat not only in space, but also in time? This strange idea led physicists to discover one of the most fascinating concepts in modern science — time crystals.

Now, a team of researchers from Hiroshima University, University of Colorado Boulder, and other international collaborators has achieved a major breakthrough. They have demonstrated that space-time crystals can be created using common liquid-crystal materials at room temperature, opening a new path toward practical technologies.

Unlike traditional crystals, time crystals do not simply have a repeating arrangement of particles in space. Instead, their structure changes and returns to the same state at regular intervals, creating a repeating pattern in time. Imagine a system that continues its rhythm forever, like a clock that maintains its own internal beat without being directly controlled.

For years, scientists believed that these unusual structures could only exist in extremely delicate quantum systems, often requiring temperatures close to absolute zero. Previous experiments involved complicated setups with trapped ions, quantum computers, and highly controlled environments. These systems proved that time crystals were possible, but their fragile nature made practical applications difficult.

The new research changes that picture completely.

Building a Time Crystal From Liquid Crystals

The researchers used a material that may feel surprisingly familiar — liquid crystals. These are the same types of materials widely used in electronic displays, including smartphones, televisions, and computer screens.

However, the scientists modified the liquid crystal by adding special ionic substances. They then exposed the material to a repeating electrical signal. This external energy acted like a regular “push,” forcing the liquid crystal system to respond.

But something unexpected happened.

Instead of simply following the rhythm of the electrical signal, the liquid crystal created its own independent pattern. The material began repeating its state every two cycles of the electrical input rather than every single cycle.

This phenomenon is known as period doubling.

It is similar to a person clapping once every two beats even though the music is playing at a faster rhythm. The system develops a new timing pattern that is different from the original driving force — a key feature of time-crystal behavior.

Using advanced computer simulations and powerful optical microscopes, researchers observed this repeating cycle and confirmed that the liquid crystal had entered a stable space-time crystal state.

Tiny Defects Creating a Powerful Cosmic-Like Rhythm

One of the most surprising discoveries was that the time-crystal behavior was not created by the entire liquid crystal moving together. Instead, it was controlled by tiny structures hidden inside the material.

These structures are called topological solitons and disclinations.

Topological solitons are stable twists or waves that can travel through a material without easily disappearing. They behave almost like tiny particles moving through the liquid crystal.

Disclinations, on the other hand, are areas where the normal alignment of molecules breaks down. These defects create regions of unusual behavior inside the material.

The researchers found that these microscopic structures constantly transform, disappear, and recreate themselves as the electrical field changes. Their movement creates the repeating rhythm that produces the space-time crystal.

Interestingly, these behaviors resemble some properties predicted for Majorana particles — mysterious quantum particles that are believed to be their own antiparticles. Although the liquid-crystal system is not creating actual Majorana particles, it provides a classical model that helps scientists study similar concepts in a much simpler environment.

A Surprisingly Strong and Stable Time Crystal

One of the biggest challenges with quantum time crystals is their extreme sensitivity. Small disturbances can destroy their delicate state.

However, this newly created liquid-crystal-based space-time crystal showed remarkable stability.

The researchers intentionally disturbed the electrical timing by changing it by up to 20%. Despite these disruptions, the system continued maintaining its synchronized rhythm.

Even more impressive, the repeating behavior continued smoothly for more than 24 hours.

This stability suggests that time-crystal behavior is not limited to fragile quantum systems. Complex patterns involving space and time can also emerge in ordinary materials under the right conditions.

A New Field: Time Liquid Crystallinity

This discovery introduces a new area of research that scientists call time liquid crystallinity.

Traditional liquid crystals are organized mainly in space. Their molecules align in specific directions, creating useful optical properties. Time liquid crystals add another layer of organization — their structures can also become ordered and repetitive through time.

This means scientists may now be able to design materials that are not only structured in space but also controlled through dynamic patterns.

The possibilities are exciting.

Because liquid crystals are already widely used in modern technology, these durable space-time crystals could potentially lead to new generations of optical devices. Future applications may include advanced laser systems, reconfigurable optical components, improved beam-control technology, and extremely precise systems for directing light.

A New Understanding of Matter

This research changes how scientists think about the organization of matter.

For a long time, repeating patterns were considered mainly a feature of physical space. This discovery shows that matter can also develop complex and stable patterns across time.

A simple liquid crystal, similar to the technology already inside everyday screens, can become a platform for exploring some of the deepest ideas in physics.

The creation of stable space-time crystals at room temperature represents an important step toward understanding how new forms of matter can emerge. It also brings scientists closer to developing technologies where controlling time-based patterns becomes as important as controlling physical structures.

What once seemed like a strange idea from theoretical physics may soon become part of practical technology — showing that even ordinary materials can reveal extraordinary possibilities.

Reference: Zhao, H., Zhang, R. & Smalyukh, I.I. Emergent discrete space-time crystal of Majorana-like quasiparticles in chiral liquid crystals. Nat Commun 17, 4376 (2026). https://doi.org/10.1038/s41467-026-70880-8