What are the revelations of nature?

Human invention-inspiration from animals?

1. Ships and submarines come from people's imitation of fish and dolphins.

2. Scientists made the first batch of gas masks in the world according to the unique drug detection ability of wild boar nose.

The rocket takes off by using the recoil principle of jellyfish and squid.

4. Humans imitate the highly sensitive sense of smell of police dogs and make "electronic police dogs" for investigation.

According to the visual principle of frog eye, people have successfully developed an electronic frog eye. This kind of electronic frog's eyes can accurately identify objects with specific shapes like real frog's eyes. After installing electronic frog eyes in radar system, the anti-jamming ability of radar is greatly improved. This radar system can quickly and accurately identify aircraft, ships and missiles with specific shapes. In particular, it can distinguish between true and false missiles and prevent false confusion. ?

Electronic frog eyes are also widely used in airports and traffic arteries. At the airport, it can monitor the take-off and landing of aircraft, and call the police in time if it is found that the aircraft is about to collide. On the main road, you can direct the vehicles to prevent them from colliding. ?

6. The color of colorful butterflies is abrupt, such as the butterfly with double moon pattern and the monarch butterfly with brown veins. Especially butterflies with fluorescent wings, and then turn into gold, green and blue in the sun. Scientists have brought great benefits to military defense by studying the color of butterflies. During World War II, the Germans surrounded Leningrad in an attempt to destroy its military targets and other defense facilities with bombers.

Schwarzenegger, an entomologist in the Soviet Union, put forward the principle that the color of butterflies is not easy to be found in flowers, and covered military facilities with butterfly-like camouflage. Therefore, despite the German efforts, the military base in Leningrad remained intact, which laid a solid foundation for winning the final victory. According to the same principle, people later produced camouflage uniforms, which greatly reduced the casualties in the battle. ?

The constant change of satellite position in space will cause a sudden change of temperature, sometimes the temperature difference can be as high as two or three hundred degrees, which seriously affects the normal work of many instruments.

Inspired by the fact that the scales on the butterfly will automatically change their angles with the direction of sunlight to adjust their body temperature, scientists have made the temperature control system of the satellite into a louver style, which has different radiation and heat dissipation capabilities. A temperature-sensitive metal wire is installed at the rotating position of each window, which can adjust the opening and closing of the window with the change of temperature, so as to keep the internal temperature of the satellite constant and solve a major problem in the aerospace industry. ?

7. Dragonflies?

Dragonflies can generate local unstable airflow different from the surrounding atmosphere through the vibration of their wings, and use the vortex generated by the airflow to make themselves rise. Dragonflies can soar under a small thrust, not only forward, but also backward and left and right, and its forward flight speed can reach 72 km/h. In addition, the flight behavior of dragonflies is simple, with only two pairs of wings flapping constantly.

Scientists have successfully developed a helicopter based on this structural foundation. When an airplane flies at high speed, it often causes violent vibration, and sometimes even breaks its wings, causing the airplane to crash. Dragonflies are safe when flying at high speed, so people follow the example of dragonflies and add weights to the two wings of the plane to solve the thorny problem of vibration caused by high-speed flight. ?

In order to study the aerodynamics and flight efficiency of gliding flight and collision, a mobile wing (wing) model with four-blade drive and remote horizontal control was developed, and the flight parameters were tested in the wind tunnel for the first time. ?

The second model tries to install a wing flying at a faster frequency, reaching the speed of 18 vibrations per second. What is different is that this model adopts a device that can variably adjust the phase difference between the front and rear wings. ?

The central and long-term goal of this research is to study the performance of aircraft driven by "wing" and compare it with the efficiency of aircraft driven by traditional propeller.

Bionics and high technology?

1. Scientists invented the artificial dolphin skin which can improve the torpedo speed by studying the tiny swimming resistance of dolphins; And a wheeled vehicle (jumping machine) that imitates kangaroo's movement in the desert. ?

2. Inspired by the Emperor Penguin, scientists from the Institute of Zoology of the former Soviet Academy of Sciences designed a new type of car-"Emperor Penguin" brand polar off-road vehicle. The wide bottom of this car is directly attached to the snow surface and supported by a wheel spoon, and the driving speed can reach 50 km/h?

A research team of Australian National University has developed a small navigation and flight control device by studying several insects. This device can be used to equip small aircraft for Mars exploration.

Inspired by bionics, British scientists are developing a new submarine, which can swim in an S shape by swinging its tail fin. The main innovation is the use of a device called "trunk actuator". "Elephant trunk" consists of a group of thin and soft hoses, which imitate muscle activity and promote fin movement. This new submarine can be used as an underwater mine-clearing submarine to deal with mines that will detonate at the slightest sound or interference.

Extended data

Apocalypse of Nature is a three-part documentary, which shows the amazing wonders of natural science and technology with the latest achievements of top-notch photography and bionics, and seeks new ways to solve modern problems. Focus on the amazing biological abilities gradually formed during the evolution of 4 billion years, and explore the supernatural technology behind these rare wonders.

Diversity diagram

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Episode 1: Sports World

Most animals, even some plants, are moving in their own unique way.

In this episode, we will see how designers use their inspiration from nature to design cars, planes and even robots.

Bionics is not simply copying nature, but understanding the working principle behind it and then applying it flexibly in other fields. In this episode, we will discuss why sharks swim very fast, how flies and geckos crawl on smooth glass, and how vultures help us build a new generation of planes. We will also see robot cockroaches, which look a bit like things in science fiction; But it may be the pioneer of the latest means of transportation.

Episode 2: The Material World

Nature invented many high-tech materials long before the birth of ceramics and plastics. These materials are not only complex in structure and better in performance, but also fully utilized to participate in natural building activities.

In this episode, we will walk into a huge American fir forest and explore how nature built this amazing giant creature. This will help us make better bulletproof vests. In the forests of Central America, when the blue butterfly slowed down by more than 100 times, its dazzling color inspired cosmetics companies to make brand-new lipsticks. More importantly, understanding these beautiful information may bring new changes to information technology.

Episode 3: Vitality

The way nature processes information is efficient. With the help of bionics, it helps scientists see a brand-new future. Leaves are the power station of nature, and its main waste is oxygen. Now, scientists have successfully made an artificial leaf, which can generate electricity through sunlight and produce future clean fuel-hydrogen.

In Namibia, scientists filled a 3-meter-high termite mound with latex, placed it in the scorching sun, scraped off a few millimeters of soil at a time, and scanned and photographed it. The results show the first complete three-dimensional model of termite mound, and reveal some amazing and magical technologies such as how termites control the temperature, humidity and carbon dioxide in caves. With the knowledge of ant nests, human beings will build their own tower buildings.

References:

Enlightenment from nature-Baidu Encyclopedia