Skip to main content

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

3 comments

Future Robots May Have This Electronic Skin That Give Them Sense of Touch & Repairs Itself Like Living Tissue

Scientists are trying to build materials that behave more like living organisms instead of rigid machines. One of the most exciting examples of this idea comes from the ocean. Jellyfish and similar soft underwater creatures have bodies that are transparent, flexible, and able to heal themselves when damaged. These natural abilities help them survive in harsh underwater environments.

Now, researchers have created a new artificial material inspired by these creatures. This material behaves like “electronic skin”—it can stretch, sense touch, conduct electricity, and even repair itself automatically. It could be used in future soft robots, wearable devices, and underwater machines.

Why Jellyfish Inspired Scientists

Jellyfish are simple organisms, but their bodies are surprisingly advanced in function. They do not have bones or hard structures. Instead, their bodies are made of soft, jelly-like tissues.

These tissues have some amazing properties:

  • They are transparent, so light passes through easily

  • They are stretchable and flexible

  • They can sense touch and pressure

  • They can heal themselves after damage

This combination is rare in artificial materials. Most human-made electronics are rigid, break easily, and cannot repair themselves. So scientists looked at jellyfish as a model for creating better materials.

The goal is to build a material that feels like skin but works like an electronic device.

A New Breakthrough Material

A research team led by Cao and colleagues has developed a new type of material that mimics jellyfish skin. It is a soft, gel-like electronic material that is:

  • Transparent like glass

  • Stretchable like rubber

  • Conductive like a wire

  • Self-healing like living tissue

This combination makes it very special because it brings biological and electronic properties together in one system.

The material is designed for future technologies where machines must bend, stretch, and interact safely with humans.

What the Material is Made Of

The artificial skin is made using two main ingredients:

  1. A fluorocarbon elastomer

    • This gives the material its softness and stretchability

    • It works like a flexible rubber base

  2. A fluorine-rich ionic liquid

    • This allows the material to conduct electricity

    • It also helps the material heal itself when damaged

When these two components are combined, they form a soft network where ions can move freely. This movement is important for both sensing and self-repair.

How Self-Healing Works

One of the most impressive features of this material is its ability to heal itself.

When the material is cut or damaged, the internal structure does not stay broken. Instead, special interactions between ions and molecules help it reconnect.

This process is called ion–dipole interaction. In simple terms, it means that opposite charges attract each other and pull the broken parts back together.

Because of this mechanism, the material can:

  • Repair itself quickly

  • Work in dry conditions

  • Work in wet environments

  • Survive in acidic or alkaline liquids

  • Heal multiple times without losing performance

This makes it very useful for real-world conditions where damage is common.

Extremely Stretchable Like Real Skin

Another important feature is its incredible stretchability. The material can stretch up to 2,000%, which means it can become 20 times longer than its original size without breaking.

This is similar to how real skin and soft tissues in animals behave.

Such flexibility allows the material to be used in:

  • Wearable electronics that move with the body

  • Soft robots that bend and twist

  • Underwater devices that face strong pressure and motion

Even after stretching, the material still works properly, which is important for reliable performance.

It Can Conduct Electricity

Unlike normal rubber or plastic, this material can conduct electricity. It does this using ions instead of electrons.

The conductivity can be adjusted and can reach up to 10⁻³ S/cm. This makes it suitable for building flexible electronic systems.

Because of this property, the material can act like:

  • A flexible wire

  • A sensing layer

  • A circuit component

This opens the door for electronics that are soft instead of rigid.

A Material That Works in Water and Harsh Environments

Most electronic materials fail when exposed to water, acids, or chemicals. But this new material is different.

It can function and heal itself in:

  • Water

  • Acidic environments

  • Alkaline environments

  • Dry air

This is very important for underwater robotics, medical tools, and industrial systems where exposure to harsh conditions is unavoidable.

Electronic Skin That Feels Touch

One of the most exciting uses of this material is electronic skin, also called “e-skin.”

Researchers used it to create sensors that can detect:

  • Touch

  • Pressure

  • Stretching

This means it can behave like human skin, which constantly senses the environment and sends signals to the brain.

In future applications, this could help:

  • Robots feel objects safely

  • Prosthetic limbs gain a sense of touch

  • Wearable devices monitor body movement

  • Medical devices track pressure inside the body

This brings machines closer to human-like sensitivity.

Flexible Circuits That Can Be Printed

Another major breakthrough is that the material can be printed into soft ionic circuits.

Traditional circuit boards are hard, fragile, and break easily when bent. But this material allows circuits to be:

  • Soft

  • Stretchable

  • Foldable

  • Printable

This means future electronic devices could be built like fabric instead of rigid boards.

It could lead to:

  • Smart clothing with built-in sensors

  • Flexible health monitors

  • Soft robotic systems with built-in circuits

This is a major shift from traditional electronics.

Use in Soft Robotics

Soft robotics is a growing field where machines are designed to move like living organisms instead of mechanical systems.

This new material is perfect for such robots because it can:

  • Bend and stretch like muscle

  • Heal damage automatically

  • Work in wet environments like oceans

  • Sense touch and pressure

Possible uses include:

  • Underwater exploration robots

  • Medical robots for surgery

  • Search and rescue robots

  • Human-safe industrial robots

These robots would be safer and more adaptable than traditional machines.

Why This Discovery Is Important

This material is important because it solves several big problems at once:

  • Electronics are usually rigid → this is flexible

  • Materials usually break easily → this self-heals

  • Devices often fail in water → this works in wet environments

  • Skin-like sensing is difficult → this material can do it

It combines biology and electronics in a single system, which is a major step forward in science.

Future Possibilities

This is only the beginning. Scientists believe future research may improve this material even more.

Possible future developments include:

  • Faster self-healing systems

  • Stronger and more durable versions

  • Better sensitivity for detecting tiny signals

  • Integration with artificial intelligence

  • Mass production for everyday use

In the future, we may see robots with skin that feels, devices that heal themselves, and electronics that behave like living tissue.

Conclusion

The jellyfish-inspired self-healing electronic skin is a powerful example of how nature can inspire advanced technology. By copying the properties of simple sea creatures, scientists have created a material that is flexible, transparent, conductive, and capable of repairing itself.

This innovation could change the future of robotics, healthcare, wearable devices, and underwater exploration. It brings us closer to a world where machines are not just tools, but smart, adaptive systems that behave more like living beings.

Reference: Cao, Y., Tan, Y.J., Li, S. et al. Self-healing electronic skins for aquatic environments. Nat Electron 2, 75–82 (2019). https://doi.org/10.1038/s41928-019-0206-5

Comments

Post a Comment

Popular

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

For years, scientists believed that adding even one qubit (a unit of quantum information) to a black hole needed energy. This was based on the idea that a black hole’s entropy must increase with more information, which means it must gain energy. But a new study by Jonah Kudler-Flam and Geoff Penington changes that thinking. They found that quantum information can be teleported into a black hole without adding energy or increasing entropy . This works through a process called black hole decoherence , where “soft” radiation — very low-energy signals — carry information into the black hole. In their method, the qubit enters the black hole while a new pair of entangled particles (like Hawking radiation) is created. This keeps the total information balanced, so there's no violation of the laws of physics. The energy cost only shows up when information is erased from the outside — these are called zerobits . According to Landauer’s principle, erasing information always needs energy. But ...
3 comments
Read more

Black Holes That Never Dies

Black holes are powerful objects in space with gravity so strong that nothing can escape them. In the 1970s, Stephen Hawking showed that black holes can slowly lose energy by giving off tiny particles. This process is called Hawking radiation . Over time, the black hole gets smaller and hotter, and in the end, it disappears completely. But new research by Menezes and his team shows something different. Using a theory called Loop Quantum Gravity (LQG) , they studied black holes with quantum corrections. In their model, the black hole does not vanish completely. Instead, it stops shrinking when it reaches a very small size. This leftover is called a black hole remnant . They also studied something called grey-body factors , which affect how much energy escapes from a black hole. Their findings show that the black hole cools down and stops losing mass once it reaches a minimum mass . This new model removes the idea of a “singularity” at the center of the black hole and gives us a better ...
Post a Comment
Read more

How Planetary Movements Might Explain Sunspot Cycles and Solar Phenomena

Sunspots, dark patches on the Sun's surface, follow a cycle of increasing and decreasing activity every 11 years. For years, scientists have relied on the dynamo model to explain this cycle. According to this model, the Sun's magnetic field is generated by the movement of plasma and the Sun's rotation. However, this model does not fully explain why the sunspot cycle is sometimes unpredictable. Lauri Jetsu, a researcher, has proposed a new approach. Jetsu’s analysis, using a method called the Discrete Chi-square Method (DCM), suggests that planetary movements, especially those of Earth, Jupiter, and Mercury, play a key role in driving the sunspot cycle. His theory focuses on Flux Transfer Events (FTEs), where the magnetic fields of these planets interact with the Sun’s magnetic field. These interactions could create the sunspots and explain other solar phenomena like the Sun’s magnetic polarity reversing every 11 years. The Sun, our closest star, has been a subject of scient...
Post a Comment
Read more