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Scientists Discover Way to Send Information into Black Holes Without Using Energy

Scientists Create Material That Defies Physics — Stores 160x More Energy Than Ever Before!

Imagine a robot that moves more like a human—fluid, strong, and energy-efficient. Or think about wearable exoskeletons that support injured patients without needing bulky batteries. Now, this may soon become reality.

A team of scientists at the Karlsruhe Institute of Technology (KIT) in Germany has developed a brand-new class of mechanical metamaterials. These materials are specially designed to store and release energy up to 160 times more efficiently than existing materials. This breakthrough could revolutionize robotics, wearable technology, and mechanical systems that rely on strength, flexibility, and energy storage.

Scientists Create Material That Defies Physics — Stores 160x More Energy Than Ever Before!

Why Energy Storage Matters

Throughout history, human progress has depended on how well we store and use energy. From springs in watches to shock absorbers in cars, energy-storing systems help control movement and force in mechanical structures. In modern applications like robotic limbs or flexible machines, it's even more important to manage energy efficiently—without losing durability.

But there’s always been a challenge: How do we store large amounts of energy in a small space, without damaging the material?

The answer may now lie in a new kind of metamaterial.


What Are Mechanical Metamaterials?

Metamaterials are materials that don’t occur in nature. They are engineered by humans, built from microscopic or tiny repeating structures arranged in clever patterns.

These patterns are what give metamaterials superpowers like:

  • Being ultra-light yet super-strong

  • Bouncing back into shape even after heavy pressure

  • Controlling energy or waves in new ways

In the case of this new development from KIT, the researchers designed a mechanical metamaterial—specifically focused on storing elastic energy better than any material before.


How Does It Work? The Power of Twisted Rods

Traditional springs bend when pressure is applied, but this bending creates stress at certain points (usually the outer layers), which can make them break over time.

Instead of using bending, the researchers turned to twisting.

They used tiny rods twisted in a helical (spiral-like) shape. When pressure is applied, these rods deform evenly along their length, instead of concentrating stress at one point. This unique behavior allows them to:

  • Store more energy

  • Recover their shape better

  • Last longer under repeated use

These rods were then arranged in a network pattern that supports high energy storage without sacrificing stiffness or strength.


Why Is This a Big Deal?

According to Professor Peter Gumbsch, who led the project at KIT’s Institute for Applied Materials (IAM), “The challenge has always been to combine three things: stiffness, strength, and elasticity.”

These three properties usually contradict each other in material design. A stiff material doesn’t bend. A strong material resists breaking. An elastic material stretches easily. Making one better usually makes the others worse.

But the KIT team found a way to balance all three using their twisted-rod architecture.


From Concept to Creation: The Scientific Journey

It all started with a simple idea—twisting a rod instead of bending it. When the team tested this approach in simulations and then in real-life experiments, they saw something exciting:

  • The material could store large amounts of energy

  • It returned to its original shape after being compressed or stretched

  • It was strong and stiff, just like metal or hard plastic

Once they confirmed their theory worked on a single rod, they scaled it up into a full metamaterial, using a structured network of these twisted rods.

Their simulations and experiments showed that the energy storage capacity of this new material is 2 to 160 times greater than any known mechanical metamaterial.


Key Properties at a Glance

Property Performance
Energy Storage (Enthalpy) 2x to 160x better than existing types
Strength Very High
Stiffness Maintained despite flexibility
Recoverability Excellent (returns to original shape)
Durability Long-lasting under repeated stress

Real-World Applications: Where Can We Use It?

This innovation could change the game in many fields. Here’s how:

1. Robotics

  • Flexible and energy-saving robots can use these materials in their joints and limbs.

  • Elastic joints made from this material would remove the need for traditional hinges, making movement smoother.

2. Wearable Exoskeletons

  • Medical exosuits for the elderly or injured can use this material for lightweight, energy-efficient support.

  • It allows movement assistance without heavy motors or batteries.

3. Energy-Efficient Machines

  • Machines that need to store and release mechanical energy, like presses, hammers, or actuators, will benefit.

  • More energy can be stored in a smaller space, improving performance and reducing size.

4. Impact Absorption Systems

  • Cars, spacecraft, and industrial machines need materials that can absorb shocks and vibrations.

  • This new material could lead to safer, more resilient structures.

5. Space & Aviation

  • In extreme environments like space, strength and energy management are critical.

  • These lightweight but powerful materials could be used in space suits, satellite parts, or airplane components.


The Global Team Behind the Innovation

This project wasn’t just local. Alongside researchers at KIT in Germany, the team included scientists from China and the United States. Their combined expertise in material science, mechanical engineering, and computer simulation made this breakthrough possible.

Their collaborative approach highlights how international scientific cooperation can lead to innovations that benefit the entire world.


The Road Ahead: What's Next?

While the material has shown extraordinary performance in labs, there are still steps before it reaches our daily lives:

  1. Scalability: Making large quantities of this metamaterial affordably and reliably.

  2. Durability Testing: Testing how well it performs in real-life scenarios over time.

  3. Integration: Working with engineers and product designers to use this material in robotics, medical devices, and consumer products.

But the potential is massive.

As Professor Gumbsch said, “This is not just a discovery. It’s the beginning of a new direction in materials design.”


Why This Breakthrough Matters for the Future

As the world moves toward smarter, greener, and more flexible technologies, materials like this one become essential.

Whether it’s robots in factories, wearable devices in hospitals, or energy-saving machines in homes, this metamaterial could become the core building block.

It allows machines to do more with less—more strength, more flexibility, more energy savings—with fewer parts, less weight, and lower energy costs.


Conclusion: Materials that Think Like Machines

The discovery of this new energy-storing mechanical metamaterial is not just a victory for materials science—it’s a glimpse into the future of smart design.

By learning to engineer materials at the micro-level, researchers are making it possible to build machines and structures that act intelligently, efficiently, and sustainably.

In a world racing toward automation, robotics, and sustainable energy, innovations like this will determine how efficient, strong, and smart our future technologies become.


Summary in Simple Points:

  • KIT researchers developed a new mechanical metamaterial that stores up to 160x more energy.

  • It uses twisted rods to spread stress and increase energy storage.

  • It combines strength, stiffness, and flexibility, which is rare in materials.

  • Possible uses: robots, exoskeletons, machines, impact systems, aerospace.

  • This innovation could lead to more energy-efficient and flexible technologies in many industries.


ReferenceFang, X., Yu, D., Wen, J. et al. Large recoverable elastic energy in chiral metamaterials via twist buckling. Nature 639, 639–645 (2025). https://doi.org/10.1038/s41586-025-08658-z

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