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Artistic and technical features of the Beijing Olympic torch.
In 2008, the Olympic flame burned in an elegant and ornate "Chinese paper roll". The Beijing Olympic torch was inspired by the "auspicious clouds" pattern of "symbiosis and harmony". The cultural concept of Xiangyun has a time span of thousands of years in China and is a representative symbol of Chinese culture.
The design of the torch shape is inspired by traditional Chinese paper scrolls. Paper is one of the four great inventions of China, which came to the West through the Silk Road. Human civilization spread with the advent of paper.
Originated from the Han Dynasty, the use of red on the torch side width makes it clearly different from the previous Olympic torch design, red and silver contrast color produces a striking visual effect, is conducive to various forms of communication. The upper and lower proportions of the torch are evenly divided, and the auspicious cloud pattern and three-dimensional relief craft design make the whole torch elegant and gorgeous, and the connotation is heavy.
Luban saws. How did Luban invent the saw? Legend has it that once when he went into the mountains to cut down trees, he accidentally cut his hand by the leaves of a weed, he picked off the leaves and touched them gently, it turned out that there were sharp teeth on both sides of the leaves, and his hands were cut by these small teeth, and he also saw a big locust on a wild grass, and there were many small teeth arranged on the two large teeth, so it could quickly grind the leaves.
Lu Ban was inspired by these two things. He thought, if such a toothed tool could also cut through trees very quickly! So, after many experiments, he finally invented a sharp saw, which greatly improved the work efficiency.
Biomimicry examples.
According to the visual principle of frog eyes, people have successfully developed an electronic frog eye. This electronic frog eye can identify objects of a specific shape with the same accuracy as a real frog eye. After the electronic frog eye is installed in the radar system, the anti-jamming ability of the radar is greatly improved.
This radar system can quickly and accurately identify aircraft, ships, missiles, etc., in specific bright shapes. In particular, it can distinguish between real and fake missiles and prevent the real from being confused with the real.
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 can issue an alarm if it detects that the aircraft is about to collide. In the traffic arteries, it can direct the driving of vehicles and prevent the occurrence of vehicle collisions.
According to the principle of the bat ultrasound locator, people also imitated the "pathfinder" for the blind. This pathfinder is equipped with an ultrasonic emitter that a blind person can carry to spot people on electric poles, steps, bridges, etc. Today, "ultrasound glasses" with a similar effect have also been made.
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