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

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Scientists Just Created a Smart Machine That Moves Powerfully & Remembers Everything

Imagine a soft, flexible material that doesn’t just move like a muscle—but also remembers what triggered it. A system that can deliver powerful motion using very little energy, and respond instantly when activated. This is no longer science fiction.

Researchers have developed a groundbreaking new type of soft actuator that overcomes the biggest limitations of traditional designs—weak force, slow response, and small movement. This innovation could redefine the future of robotics, smart devices, and adaptive machines.

Why Traditional Soft Actuators Fall Short

Soft actuators are often called “artificial muscles” because they can bend, stretch, and move safely—just like living tissues. They are widely used in soft robotics, wearable devices, and medical tools.

However, they have a major problem:
they are usually too weak, too slow, and not powerful enough for demanding tasks.

Most conventional actuators rely on gradually increasing electrical input to produce motion. This means:

  • Movement is slow

  • Energy use is high

  • Output force is limited

To truly match nature, scientists needed a completely different approach.

Learning from Nature’s Fastest Movements

In nature, some organisms solve this problem brilliantly.

  • The Venus flytrap snaps shut in milliseconds

  • The pistol shrimp creates shockwaves underwater

  • The bladderwort plant traps prey with explosive speed

These systems don’t rely on constant energy input. Instead, they:

  1. Store energy slowly

  2. Release it suddenly using instability

This “snap-through” behavior creates fast, powerful motion from soft structures.

Inspired by this, researchers designed a system that uses a similar principle—but in an engineered form.

The Breakthrough: A Magnetic–Elastic Hybrid System

The research team created a new mechanism called a Coupled Elasto-Magnetic Vibration system (C-EsMV).

It combines three simple components:

  • Permanent magnets

  • Elastic membranes

  • An electromagnet

At first glance, it sounds simple. But the magic lies in how these parts interact.

The Core Idea

Two forces compete inside the system:

  • Magnetic attraction pulls components together

  • Elastic tension pushes them apart

When these forces are carefully balanced, something special happens:
the system enters a bistable state.

What Is a Bistable System?

A bistable system has two stable positions, like a light switch:

  • OFF state

  • ON state

Instead of moving gradually, it suddenly snaps from one state to another when triggered.

In this actuator:

  • A small electrical input acts as the trigger

  • Stored elastic energy is released instantly

  • The system produces a large, rapid motion

This creates a nonlinear, step-like response, unlike traditional actuators.

From Small Input to Massive Output

One of the most impressive results of this system is its ability to amplify motion.

When activated:

  • Energy stored in the elastic membrane is released like a slingshot

  • Movement becomes much larger and faster

The results were remarkable:

  • Energy conversion increased by over 1000 times compared to standard systems

  • Efficiency improved by up to 700 times under optimal conditions

This means a tiny input can generate a surprisingly strong output.

Real-World Demonstration: Breaking Glass

To test its power, researchers attached a small hammer-like structure to the actuator.

When triggered:

  • The actuator struck a lightweight ball

  • The ball’s energy increased 50 times more than in normal systems

Even more impressive:

  • The impact force became strong enough to break a thin glass wall

This proves that soft systems—traditionally considered weak—can deliver high-impact force when designed intelligently.

Smarter Energy Use with Programmable Inputs

Another major advantage of this system is energy efficiency.

Instead of continuously increasing electrical input, the actuator uses:

  • Threshold-based activation

  • Optimized input waveforms

Researchers discovered that specific wave patterns (like pseudo-Gaussian shapes) can:

  • Reduce energy consumption

  • Improve efficiency by up to 64 times

This makes the system ideal for:

  • Battery-powered devices

  • Space-constrained environments

  • Low-energy robotics

The Most Fascinating Feature: Mechanical Memory

Here’s where things get truly futuristic.

This actuator doesn’t just move—it can remember.

How Does It Work?

A simple external trigger—like:

  • A light touch

  • A nearby magnet

can switch the system into a new state.

Even after the trigger is removed:

  • The actuator continues operating in that state

This behavior is called mechanical memory.

Two Types of Memory

The system can store information in two ways:

1. Volatile Memory

  • The effect fades over time

  • Similar to short-term memory

2. Non-Volatile Memory

  • The state remains until manually reset

  • Like long-term memory

Even more impressive, researchers built a 3×3 memory array where each unit could record:

  • Where a stimulus occurred

  • When it happened

All of this—without any electronics or software.

Why This Matters

This research changes how we think about mechanical systems.

Traditionally:

  • Instability was considered a problem

  • Engineers tried to avoid it

But here:

  • Instability is used as a feature

  • It becomes a tool for performance enhancement

This shift in thinking opens up entirely new possibilities.

Potential Applications

This technology could revolutionize multiple fields:

1. Soft Robotics

Robots that move faster, stronger, and more efficiently.

2. Wearable Devices

Energy-saving actuators for smart clothing or medical aids.

3. Mechanical Computing

Devices that process signals without electronics.

4. Memory-Integrated Systems

Machines that can store and respond to physical interactions.

5. Space Technology

Low-power systems ideal for extreme environments.

A New Design Philosophy

Perhaps the most important takeaway is this:

Instead of relying on stronger materials or more power,
this system uses smart design principles:

  • Balance of forces

  • Energy storage and release

  • Controlled instability

Because of this, the concept can be adapted to many different materials and shapes.

The Future of Intelligent Machines

This innovation brings us closer to machines that behave more like living systems:

  • Responsive

  • Energy-efficient

  • Capable of memory

It blurs the line between mechanics and intelligence.

In the future, we may see devices that:

  • React instantly to tiny stimuli

  • Remember interactions physically

  • Operate with minimal energy

And all of this—without complex electronics.

Conclusion

The development of this elasto-magnetic actuator is more than just an engineering achievement—it’s a new way of thinking.

By combining magnetic forces with elastic materials, and embracing instability instead of avoiding it, scientists have created a system that is:

  • Powerful

  • Efficient

  • Intelligent

This could mark the beginning of a new generation of smart machines—ones that don’t just move, but think through motion.

The age of truly lifelike artificial muscles may have just begun.

Reference: Choi, SY., Park, JS., Song, W.J. et al. Elasto-magnetic instabilities for amplified actuation and mechanical memory. Nat Commun 17, 1511 (2026). https://doi.org/10.1038/s41467-025-68225-y

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