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

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These 3D-Printed Wings Could Turn Cockroaches Into Cyborg Heroes That Could Save Lives During Earthquakes

Imagine a tiny rescue worker that can crawl through collapsed buildings, squeeze into spaces too small for humans, and help rescuers locate trapped survivors. It may sound like science fiction, but researchers are turning this idea into reality with cyborg insects.

A team led by Marc Marques has developed a 3D-printed artificial wing-like limb that dramatically improves the mobility of cyborg cockroaches. Inspired by the way ladybirds (ladybugs) flip themselves back onto their feet, this innovation could make insect-based rescue missions far more reliable during earthquakes, building collapses, and other disasters.

What Are Cyborg Insects?

Cyborg insects are real insects equipped with tiny electronic devices that allow scientists to monitor, communicate with, and even guide their movements.

Unlike traditional robots, insects already have millions of years of evolution behind them. They can crawl over rough terrain, climb obstacles, and fit through narrow gaps that even the smallest rescue robots struggle to enter.

Researchers attach a lightweight electronic "backpack" to the insect. This backpack can include sensors, communication systems, batteries, and control electronics that transform the insect into a living search-and-rescue tool.

These insects could one day explore dangerous disaster zones while sending valuable information back to rescue teams.

Why Cockroaches?

The researchers focused on the Madagascar hissing cockroach (Gromphadorhina portentosa), one of the strongest and most durable insects.

This species offers several important advantages:

  • It is large enough to carry electronic equipment.

  • It can survive harsh environments.

  • It can carry loads up to three times its own body weight.

  • Scientists have already demonstrated that its movements can be guided using tiny electronic systems.

These characteristics make it one of the best candidates for future rescue operations.

The Biggest Problem: The Backpack

Although cockroaches are incredibly strong, attaching electronics creates a serious challenge.

The backpack changes the insect's center of gravity. As more sensors and batteries are added, the weight shifts upward, making the insect less stable.

If it falls onto its back while crawling through rubble, it may not be able to flip itself over.

In a disaster zone, this could end the mission completely.

An insect trapped upside down cannot continue searching for survivors.

This problem became one of the biggest obstacles preventing cyborg insects from becoming practical rescue tools.

Learning from Nature

Instead of designing a completely artificial solution, the researchers turned to nature for inspiration.

They closely studied ladybirds, also known as ladybugs.

Unlike many insects, ladybirds have an impressive ability to recover after falling upside down.

When their legs alone are not enough, they open their hard outer wings, called elytra, to push against the ground.

This creates a rolling motion that flips the insect back onto its feet.

The researchers realized that this natural movement could solve the cockroach's stability problem.

A Tiny Artificial Wing

Using advanced DLP 3D printing technology, the team created a miniature artificial wing-like limb.

This lightweight attachment connects directly to the electronic backpack instead of the insect's body.

When the cockroach becomes trapped upside down, the artificial wing unfolds and pushes against the ground.

The movement closely imitates the self-righting motion seen in ladybirds.

The design can also expand and contract, allowing the insect to continue moving through narrow spaces without becoming stuck.

Remarkable Improvement

The results were highly encouraging.

The artificial limb enabled the cyborg cockroach to reach a tilting angle of 112 degrees, greatly increasing its ability to flip back onto its feet.

During experiments designed to simulate disaster conditions, the insects successfully recovered from upside-down positions far more often than those without the artificial wing.

This means future cyborg insects could continue their missions instead of becoming stranded after falls or collisions.

Why This Matters for Rescue Missions

Every minute counts after an earthquake or building collapse.

People trapped beneath rubble have a much better chance of survival if rescue teams locate them quickly.

However, many collapsed structures are too dangerous or too narrow for humans, rescue dogs, or even robots to enter safely.

Tiny cyborg insects could solve this problem.

Equipped with cameras, microphones, thermal sensors, or gas detectors, they could crawl deep into damaged buildings, searching for signs of life.

Because insects naturally navigate uneven terrain, they require much less energy than traditional robots.

Their small size also allows them to reach places that would otherwise remain inaccessible.

Designed for Real-World Use

One of the most impressive aspects of the project is its practicality.

The artificial limb was designed to be easy to manufacture using commonly available 3D printers and tools.

This means rescue organizations could potentially produce replacement parts quickly, even during emergency situations.

The lightweight design also minimizes additional stress on the insect while improving its overall performance.

This combination of simplicity and effectiveness makes the technology attractive for future development.

Artificial Intelligence Will Make Them Smarter

The researchers believe the next step is combining these cyborg insects with machine learning (ML).

Instead of activating the artificial wing continuously, future systems could use AI to recognize exactly when the insect has become trapped.

Real-time machine learning algorithms would detect the insect's position and activate the wing only when necessary.

This intelligent control system would save battery power, allowing longer rescue missions.

It would also make the insects more autonomous, reducing the need for constant human supervision.

Beyond Earthquake Rescue

Although earthquake response is the primary goal, this technology could have many additional applications.

Future cyborg insects may help with:

  • Searching collapsed buildings after explosions.

  • Exploring dangerous industrial accident sites.

  • Inspecting damaged nuclear facilities.

  • Entering areas contaminated by hazardous chemicals.

  • Monitoring difficult-to-access environments for scientific research.

Their natural mobility combined with advanced electronics opens possibilities that conventional robots still struggle to achieve.

Nature Inspiring Better Technology

This research demonstrates how studying animals can inspire innovative engineering solutions.

Instead of forcing insects to adapt to heavy electronic equipment, scientists learned from another insect that had already solved a similar mobility problem through evolution.

By copying the ladybird's self-righting technique, they created a simple yet highly effective mechanical solution that significantly improves the performance of cyborg insects.

It is another example of biomimicry—using ideas from nature to solve complex engineering challenges.

A Glimpse Into the Future

Cyborg insects are still in the experimental stage, but they represent an exciting direction for rescue technology.

As electronics become smaller, batteries become lighter, artificial intelligence becomes smarter, and 3D printing continues to advance, these tiny living machines could become valuable partners for emergency responders.

One day, when disaster strikes, the first heroes entering collapsed buildings may not be robots or humans—but tiny cyborg cockroaches equipped with intelligent 3D-printed wings, searching tirelessly for survivors hidden beneath the rubble.

Reference: Montagut Marques, M.J., Yuxuan, Q., Sato, H. et al. Cyborg insect repeatable self-righting locomotion assistance using bio-inspired 3D printed artificial limb. npj Robot 2, 3 (2024). https://doi.org/10.1038/s44182-024-00009-w

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