The potential use of nano-robots is widespread in subtle places

Nanorobot construction (schematic)

Nanorobots are based on molecular-level biological principles to design prototypes, design and manufacture "functional molecular devices" that can operate in nanospace, also known as molecular robots; and the development of nanorobots has become a frontier hotspot in today's technology.

At present, many countries have formulated relevant strategies or plans and invested heavily to seize the strategic heights of new technologies such as nano-robots. The monthly issue of "Robot Times" recently pointed out: Nano robots have a wide range of potential uses, of which the most important is the application in medical and military fields.

The Nano Spider robot copied another robot, which was then dyed green and moved towards the red target (effect picture)

Medical Nanorobot

In the American science fiction blockbuster "Amazing Adventures", scientists inject smaller people and spaceships into the human body, allowing these smaller "visitors" to directly watch the organization and operation of various organs of the human body. However, in reality, scientists have developed a variety of nano-robots that can enter the human body based on the principles of molecular pathology, which is expected to be used to maintain human health.

Medical nano-robots are still in the experimental stage, as large as a few millimeters in length and as small as a few microns in diameter; but what is certain is that in the next few years, nano-robots will bring a medical revolution.

Many engineers, scientists and doctors believe that medical nanorobots have unlimited potential-and the most likely ones include: treatment of atherosclerosis, anti-cancer, removal of blood clots, cleaning wounds, helping blood clotting, removing parasites, treating gout , Crushing kidney stones, artificial insemination, and activating cell energy, so that people not only maintain health, but also prolong life.

Nano Robot (Art Picture)

In May 2010, scientists at Columbia University in the United States successfully developed a nano-spider robot composed of deoxyribonucleic acid (DNA) molecules. They can freely walk, move, turn and stop following the DNA trajectory, and they can freely Walking on the surface of a two-dimensional object. This kind of nano spider robot is only 4 nanometers long (one nanometer is one billionth of a meter), which is smaller than one hundred thousandth of the diameter of human hair.

Although the previous nanorobots also realized the walking function, it will not exceed 3 steps. The Nano Spider robot can travel a distance of 100 nanometers, which is equivalent to 50 steps. Scientists have programmed them to move along specific orbits; the power of this development is that once programmed, the nano-spider robot can automatically complete tasks without human intervention. They believe that nano spider robots can be used in medical careers to help humans identify and kill cancer cells to achieve the purpose of treating cancer, but also to help people complete surgical operations and clean up arterial and vascular waste.

The picture depicts a nanorobot looking for invading viruses

Scientists have developed a production line for such robots. With the advent of such robots, scientists have taken another big step forward towards building advanced devices that can travel through blood vessels and kill cancer cells.

Israeli scientists are currently developing a miniature nanorobot that can "patrol" the human body and automatically release the drugs it carries after locking the lesion. The principle of this technique is to define a specific disease as "yes" during programming. During the "patrol" process, the robot can perform a series of calculations to check the disease indicators on the messenger ribonucleic acid (mRNA) at the location. If all the indicators of a particular disease are met, the robot will then make a judgment that the drug should be released. If the detected index is not sufficient, it will eventually be in the "no" state.

Scientists have made continuous improvements to this robot and made breakthrough progress. It can now detect disease indicators from multiple sources, such as mRNA, microribonucleic acid (miRNA), proteins, and various small molecules.

The goal of scientists is to create a large number of such nano-robots in the future, let them patrol the body automatically and continuously, looking for various disease signals. Because disease indicators can be detected directly from multiple sources, the diagnosis is more accurate.

After more and better calculations, this robot can also release the first round of preventive medicine to the location where the disease is found, as the first line of defense against infection. Although the technology is still far away from us in reality, its vision of being alert to physical health at any time is still very tempting.

The picture depicts a nanorobot cleaning harmful deposits in blood vessels

Military nanorobot

In the 21st century, the development of science and technology is in full swing, and military reform is surging. Looking at the new starting point of history, what technology can have a revolutionary impact on the future military like nuclear weapons? Recently, foreign military experts have predicted that nano-robots are not far from our battlefield. They will not only lead the world A real war revolution will simultaneously promote a fundamental change in combat concepts and methods.

At present, the major military powers are actively developing military nano-robots, and have successfully developed dozens of components for nano-robots; the nano-robot force will be ready in some laboratories or production lines.

How do nanorobots eliminate or make enemy forces lose their combat power? First, apply nanorobots to traditional weaponry technology and equipment, improve their manufacturing materials, manufacturing processes, accusation systems, guidance systems, transportation and storage methods to improve The tactical and technical performance of traditional weapons and technical equipment to enhance the lethal effectiveness of traditional combat methods; Second, the development of new human combat methods and methods, such as the development of nano-miniature components that can block the face, nose, mouth and eyes, or Nano-miniature components that stick to hands and feet, etc .; again, transform existing chemistry and organisms or develop new types of chemistry or organisms, and inject them into artificial or hybrid insects, and bring these through insects Destructive chemicals or organisms spread into the body of the enemy's military and civilians; finally, after entering the enemy's body, the nanorobot can quickly spread through the enemy camp by means of self-replication or self-reproduction.

The picture depicts a nanorobot entering red blood cells

Relevant experts believe that military nano-robots can serve as reconnaissance tools, such as "intelligent sand" or "intelligent dust." These tools have the function of electronic noses, only as large as sand grains, which can analyze the surrounding environment, identify chemical composition, and report to the supervisory system. The final reconnaissance report is very comprehensive, combing the data of thousands of electronic noses. The reconnaissance range of each nano electronic nose is only 1 meter, but many electronic noses cover a limited area. High reconnaissance accuracy.

If there are various sensors in the network of "smart sand", the supervisory calculator can use data fusion to form more complex and more accurate real-time reconnaissance images of distant battlefields or roads in the mountains, but the enemy is completely unaware. The risk is also small.

The US Department of Defense's Advanced Research Projects Agency (DARPA) and industry are developing a flying military nanorobot. This nanorobot is only the size of an insect or a bird; it is not easy to find, it is fatal, cheap, can react quickly, can continue to fight, and has good maneuverability. They plan to make bird-sized nano robots that can detect weapons of mass destruction by 2015, and insect-sized nano robots that can detect weapons of mass destruction by 2030.

Incidentally: under the commission of DARPA, AV company developed a nano-hummingbird robot for reconnaissance in July 2011, which is equipped with many nano-level components; this robot was rated as 2011 by Time magazine One of the 50 best inventions of the year.

Nano spider robot walking on the surface of a two-dimensional object (art picture)

The emergence of every new technology seems to contain infinite possibilities. It won't take long for magical nano-robots of only molecular size to enter human daily life. Professor Zhou Haizhong, a well-known Chinese scholar, predicted in his article "On Robots" published in 1990: By the middle of the 21st century, nano-robots will revolutionize human labor and lifestyle.

Finally, it is worth mentioning: Futurists believe that by the second half of the 21st century, it will be meaningless to distinguish people from computers absolutely and clearly. On the one hand, humans will have biological brains that have been greatly expanded by nano-robot technology; on the other hand, people will have purely non-biological brains, which are replicas of human brains with greatly enhanced functions. There is no doubt that with the improved brain, we will create countless new technologies that merge with nano-robot technology. At that time, humanity will enter a new world and become an authentic "new humanity".

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