Lu Ban invented the saw based on the blade of grass.
According to bats, radar is research.
According to the fish, submarines have been studied.
According to the bird, the plane has been studied.
Fluorescent lamps are based on fireflies.
The gas mask was invented according to the nose of a wild boar.
1 zipper
Zipper was first invented by Chicago mechanic Judson in 189 1 year. In order to relieve the trouble of tying shoelaces every day, Judson invented a zipper which can replace shoelaces. This zipper consists of a row of hooks and a row of buttonholes. Pull an iron slider from bottom to top, and the hook and buttonhole can be fastened one by one. Judson sent the sample to Columbia Expo on 1893, which was well received and patented.
Nowadays, there are more and more kinds of zippers, and their applications are not limited to daily necessities, but also enter the fields of scientific research, medical care, military and so on, and are praised by some as one of the top ten inventions in the 20th century.
2. refrigerator
The first artificial refrigeration compressor was invented by Harrison in 185 1 year. Harrison, the owner of the Australian newspaper Quilen Advertising, found that ether had a strong cooling effect when used to clean type. Ether is a liquid with low boiling point, which is easy to evaporate and absorb heat. Harrison developed a refrigerator using ether and pressure pump through research, and applied it to a brewery in Australia for refrigeration and cooling during brewing.
The first refrigerator with motor-driven compressor was invented by Swedish engineers Brighton and Mendes in 1923. Later, an American company bought their patent and produced the first batch of household refrigerators at 1925.
4. Sonar is invented according to the positioning system of dolphins ~
According to the structure of the Bird's Nest, the main stadium tube (named Bird's Nest) of Beijing 2008 Olympic Games was built.
6. Inspired by the chameleon's escape from danger, people invented special military uniforms for different geographical environments.
Information link: Baidu Encyclopedia-Invention and Creation