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A small scientific invention that illustrates what principle is utilized
1. by the annoying fly, imitated a very peculiar small gas analyzer. It has been installed in the cockpit of a spaceship to detect the composition of the gas in the cabin.

2. from fireflies to artificial cold light;

3. electric fish and volt batteries;

4. the jellyfish's ear, modeled on the structure and function of the jellyfish's ear, designed the jellyfish ear storm predictor, which is able to forecast storms up to 15 hours in advance, which is of great importance for the safety of seafaring and fishing.

5. According to the visual principle of frog's eye, people have successfully developed an electronic frog's eye. This kind of electronic frog's eye can be like the real frog's eye, accurately recognize the specific shape of the object. After the electronic frog's eye is installed into the radar system, the radar anti-interference ability is greatly improved. This kind of radar system can quickly and accurately identify specific shapes of airplanes, ships and missiles. In particular, it is able to distinguish between real and fake missiles and prevent them from being mistaken for real.

Electronic frog eyes are also widely used in airports and transportation routes. In the airport, it can monitor the takeoff and landing of the aircraft, if found that the aircraft is about to collide, can issue a timely warning. In the traffic road, it can direct the movement of vehicles, to prevent vehicle collision accidents.

6. According to the principle of the bat ultrasonic locator, people also imitated the blind with the "pathfinder". This pathfinder is equipped with an ultrasonic transmitter, the blind with it can be found on poles, steps, bridges and so on. Nowadays, "ultrasonic glasses" with similar functions have also been made.

7Simulating the incomplete photosynthesizer of cyanobacteria, a device for bionic photolysis of water will be designed to obtain large amounts of hydrogen.

8. Based on studies of the human bone and muscle systems and bioelectric control, a human augmentation machine, the walking machine, has been imitated.

9. The hooks of modern cranes originated in the claws of many animals.

10. roof corrugations mimic the scaly armor of animals.

11. Boat oars mimic the fins of fish.

12. The saw imitates the arm of a praying mantis, or serrated grass.

13. The crocus plant took inspiration to invent Velcro.

14. The sniffing lobster provided the idea for making odor detectors.

15. Gecko toes offer encouraging prospects for making sticky audio tapes that can be used over and over again.

16. The shellfish uses its proteins to produce a colloid so strong that such a colloid could be used in everything from surgical sutures to mending ships.

17. Squid and torpedo bait The squid has a sac inside its body that secretes a black liquid, which it releases when in danger to lure attackers into a trap. Submarine designers emulated this function of the squid readers designed the torpedo bait. Torpedo bait vinegar like a pocket submarine, according to the submarine's original direction of navigation, speed unchanged, but also can simulate the noise, spiral beat, acoustic signals and Doppler pitch change. It is this kind of exquisite performance, so that the enemy submarine or attack torpedo is difficult to distinguish between true and false, and ultimately enable the submarine to escape.

18. Spiders and armor Biologists found that the strength of spider silk is equivalent to the same volume of steel wire five times. Inspired by this, a technology company in Cambridge, England, tried to make a high-strength fiber like spider silk. Composite materials made from this fiber can be used to make bulletproof vests, bulletproof cars, armored tanks and other structural materials.

19. Giraffe and "anti-load clothing" The giraffe is the world's tallest animal, the distance between its brain and heart is about 3 meters, relying entirely on up to 160 ~ 260 mm Hg blood pressure to the brain. According to the general analysis, when the giraffe lowers its head to drink, the position of the brain is lower than the heart, a large amount of blood will rush into the brain, so that the blood pressure increases even more, then the giraffe will be in the drinking water to get congestion of the brain or blood vessels broken and other diseases and death. But wrapped in a layer of giraffe body, thick skin tightly hooped blood vessels, limiting the blood pressure, aircraft designers and aviation biologists in accordance with the principle of the giraffe skin, designed a novel "anti-loading clothes", thus solving the super-fast fighter pilot in the sudden acceleration of climbing due to cerebral ischemia and the pain caused by. This "anti-load clothing" within a device, when the aircraft acceleration can be compressed air, but also on the blood vessels to produce the corresponding pressure, which is more advanced than the giraffe's thick skin.

20. Whale and submarine "whale back effect" Contemporary nuclear submarines can dive for a long time under the ice sea, but if the launch of missiles under the ice, you must break the ice on the surface, which ran into the mechanics of the problem. Small boat experts from the whale every 10 minutes must break the ice to breathe once in the enlightenment, in the submarine on top of the raised command deck shell and superstructure, made to strengthen the strength of the material and the shape of imitation whale back processing, and really made the ice when the "whale back effect".

21. Butterfly and satellite temperature control system Roaming in space, artificial satellites, when subjected to strong radiation from the sun, the satellite temperature will be as high as 200 degrees Celsius; and in the shaded area, the satellite temperature will drop to minus 200 degrees Celsius or so, it is easy to bake or freeze satellite on the precision instrumentation, which has once made the space scientists hurt the brain. Later, people were enlightened from the butterfly. Originally, the butterfly body surface growth of a layer of tiny scales, these scales have the role of regulating body temperature. Whenever the temperature rises, direct sunlight, the scales automatically open to reduce the sun's radiation angle, thus reducing the absorption of sunlight heat; when the outside world temperature drops, the scales automatically close, close to the body surface, so that the sunlight directly on the scales, thus controlling the body temperature within the normal range. Scientists have designed a butterfly scale-like temperature control system for artificial Earth satellites.

And then there's this:

Biologists have studied spider silk to create advanced silk threads that resist tearing and tearing of high-strength cables used in parachutes and makeshift suspension bridges. Boats and submarines come from people imitating fish and dolphins.

Rattlesnake missiles are modern weapons developed by scientists who mimic the snake's "hot eye" function and the principle of natural infrared sensing ability of a camera-like device arranged on its tongue.

Rocket lift-off using the jellyfish, cuttlefish recoil principle.

Scientists have developed a lot of military camouflage equipment for the troops by studying the color-changing ability of chameleons.

Scientists studied the eyes of frogs and invented the electronic frog eye.

Termites not only use adhesive to build their mounds, but they can also spray adhesive at their enemies through small tubes in their heads. So people followed the same principle to create working weapons-a piece of dried glue cannonball.

The U.S. Air Force developed a miniature thermal sensor using the "hot eye" function of a viper.

China's textile scientists and technicians use the principle of bionics, drawing on the structure of the fur of land animals, designed a KEG thermal insulation fabric, and has a windproof and moisture-conducting function.

Based on the principle that a rattlesnake's cheek sockets can feel a temperature change of 0.001 degrees Celsius, mankind invented the rattlesnake missile for tracking and chasing. Humans also designed the toad ram using the principle of frog jumping. Humans imitated the police dog's highly sensitive sense of smell made for the detection of the "electronic police dog". Scientists made the world's first gas masks based on the boar's nose to detect poison.

1, ball-shaped palace: African birds with beaks and feet cleverly woven round nest, it started from a round bracket, forming a ball and then finally hang it on a tree branch.

2. Stable, lightweight structure: The exquisite cardboard box-shaped nest built by a field wasp is a lightweight structure, but it is incredibly stable.

3. Perfect gluing: The nests of web-weaving ants are made of leaves glued together. Their larvae are able to spit out the adhesive, making them ideal "glue bottles".

4. Round tower homes in trees: The residence of the swarming bird looks like a crumbling woodpile in a tree, but its structure is so strong that it can last for decades, often until the tree is overwhelmed and is crushed.

5, the branches of the "stove" stove: bird's nest is made of clay, generally chosen in the more stable branches of the tree. A nest requires about 2,500 grains of clay, are the stove bird with the beak to bring.

6, platform complex: tropical stingless bees use beeswax to build hives, layers and layers of combinations, usually 40 layers, the appearance of the movie "Star Wars" space shuttle, able to house 100,000 "residents".

7. Castles with air conditioning: Termites are able to improve the temperature inside their nests through an incredible piping system that cools them during the day and heats them at night.

The jellyfish is composed almost entirely of water, which actually makes up 98 percent of its body, and between the molecules that make up its body, there is a large amount of liquid, from which polymerized glue for everyday use can be obtained after refining

Lu Ban, a famous craftsman in ancient China, cut his hand on a silk speargrass when he went up to cut down a tree on a mountain. He found it strange how a small grass could be so powerful. After careful observation, he found that the edge of the silk spear grass leaves grow many sharp fine teeth. So Lu Ban invented the saw for carpentry.

The fly does not have a "nose", it relies on what to act as a sense of smell? Originally, the fly's "nose" - olfactory receptors distributed in the head of a pair of antennae. We have succeeded in copying a very peculiar small gas analyzer. This instrument has been installed in the cockpit of the spacecraft, used to detect the composition of the gas in the cabin. It can also measure harmful gases in submarines and mines. The use of this principle can also be used to improve the input devices of computers and the structural principles of the relevant gas chromatography analyzers.

As early as the 1940s, people based on the study of fireflies, the creation of fluorescent lamps, in recent years, scientists first from the firefly luminescence of the pure luciferin, and later isolated luciferase, then, and chemically synthesized luciferin. By luciferin, luciferase, ATP (adenosine triphosphate) and water mixed into the biological light source, can be full of explosive gas in the mine when the flash. Since this light has no power source and does not generate magnetic fields, it can be used to do work such as clearing magnetic mines under the illumination of a biological light source.

Early 19th century, the Italian physicist Volt, electric fish generating organs as a model, designed the world's first voltaic batteries. Because this battery is based on the design of the electric fish's natural generator, so it is called "artificial electric organ".

Architectural imitation of shell repair of large-span thin-shell building, imitation of the femur structure of the construction of the column, not only to eliminate the special concentration of stress in the area, but also can be used to minimize the building materials to withstand the maximum load. Military imitation of dolphin skin groove structure, the artificial dolphin skin wrapped in the shell of the ship, can reduce the sailing speculation flow, increase the speed of navigation;

In the figure out the chemical structure of the forest pest moth sex lure hormone, synthesized a similar organic compounds, in the field with one millionth of a microgram of the cage, can be induced to kill the male insects;