The invention of bionics

1, Bat and Radar: Bats will emit an ultrasonic wave, which will bounce back when it meets an object, but humans can't hear it. Radar was invented according to this characteristic of bats. Radar is used in various places, such as airplanes and aviation.

2. Thin-shell architecture: The eggshell is arched with a large span and contains many mechanical principles. Although it is only 2 mm thick, it is difficult to break with a hammer. Architects imitate it to design thin-shell buildings. This kind of building has many advantages: less materials, large span and durability.

3. Spider silk: Biologists have made high-grade silk, tear-resistant parachutes and high-strength cables for temporary suspension bridges through the study of spider silk. Ships and submarines are modeled after fish and dolphins.

4. Sidewinder: Sidewinder missile is a modern weapon developed by scientists to imitate the "hot eye" function of snakes and the principle that their tongues have natural infrared sensing ability like camera devices.

5. Flies: The back wings of flies degenerate into a pair of balance bars. When it flies, the balance bar vibrates mechanically at a certain frequency, which can adjust the movement direction of its wings. It is a navigator to keep the balance of flies. Based on this principle, scientists have developed a new generation of navigator-vibrating gyroscope.

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