high-heeled shoes
/kloc-a venetian businessman in the 0/5th century often went out to do business, but he was worried that his wife would go out to have an affair. One rainy day, he was walking in the street, and there was a lot of mud behind his shoes, so he walked very hard. Businessmen are inspired by this, because Venice is a water city and boats are the main means of transportation. The businessman thinks that his wife will not be able to walk on the springboard in high heels, so she can be trapped at home. Unexpectedly, his wife felt very happy when she put on these shoes.
Accompanied by servants, Novelty boarded and disembarked and played around. High-heeled shoes made her more graceful, fashionable ladies rushed to follow suit, and high-heeled shoes quickly became popular.
raincoat
/kloc-In the 0/8th century, MacIntosh of the Scottish Rubber Factory couldn't afford rain gear because of his poor life, so he had to go to work in the rain every rainy day. One day, I accidentally spilled rubber juice on my underwear and couldn't wipe it off, so I had to go home in this dirty clothes. It was raining outside, but when McIntosh came home, he was surprised to find that his clothes were not wet at all. He just smeared rubber juice on his clothes. This is the first rubber raincoat in the world.
barber
1828 sheffield made a single-sided protection blade, which is the predecessor of the safety blade. 1895, an American salesman Gillette met an inventor and painter. Painter wants to make a lot of money and invent something that everyone needs and can use once. One day, Gillette was shaving, and painter found that razor blades were just right for this idea. He designed a safe razor handle, but he couldn't find a manufacturer who could make blades. It was not until 190 1 that he met Carson, a mechanic, that he solved the technical problem, combined the hoe rest with the double-edged replaceable blade and applied for a patent. As early as 1900, the electric shaver was patented in the United States, but the first electric shaver suitable for commercial manufacture was designed by retired American army colonel Hick and patented in 1928.
mirror
Our ancestors made beautiful "transparent mirrors" more than 2000 years ago. /kloc-At the beginning of the 4th century, Venetians used tin foil and water.
The back of the glass is silvered to make a mirror, which looks very clear. ? Modern mirrors are made by the method invented by German chemist Libiger in 1835. Silver nitrate is mixed with reducing agent to precipitate silver from silver nitrate and attach to glass.
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.
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 the use of ether and pressure through research.
Pump freezer and apply it to a brewery in Australia for refrigeration and cooling in the brewing process. ? 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. ? 1. Sonar was invented according to the positioning system of dolphins. 2. The stadium tube of Beijing 2008 Olympic Games was built according to the structure of the Bird's Nest (named Bird's Nest)? According to the inspiration of the chameleon's escape, people invented special military uniforms for different geographical environments.
Helicopters were invented by dragonflies.
1907, the world's first helicopter similar to "Qingyan" was successfully developed by French engineers Borregg and Richter. The plane has no wings, and the first arm has two four-leaf propellers, which can rotate horizontally. During the test flight, it was found that the aircraft was seriously shaken and its safety performance was poor. It was not until 1932 that Bratukhin, an engineer of the former Soviet Union, designed and manufactured a high-performance helicopter called Omega. Since then, helicopters have gradually become an important flying tool.
Invented underwater dynamics through the fish body?
The invention of mankind-inspired by animals-ships and submarines came from people's imitation of fish and dolphins. Scientists have 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. Researchers have developed many military camouflage equipment for the army by studying the chameleon's color-changing ability. Scientists studied frog eyes and invented electronic frog eyes. The US Air Force has developed a miniature thermal sensor through the "hot eye" function of poisonous snakes. Humans also used the principle of leapfrog to design a toad ram (hang). Humans imitate the highly sensitive sense of smell of police dogs and create "electronic police dogs" for investigation.
Modern radar
A radio positioning and ranging device: Scientists have found that bat magic relies not on eyes, but on an echo positioning system consisting of mouth, throat and ears. Because bat magic emits ultrasonic waves when flying, it can also detect the ultrasonic waves reflected by obstacles. Based on this, scientists have designed a modern radar-a radio positioning and ranging device ... Scientists have invented an artificial dolphin skin that can improve the speed of torpedoes by studying the tiny swimming resistance of dolphins; And a wheeled vehicle (jumping machine) that imitates kangaroo's movement in the desert. ? Inspired by King Penguin, scientists from the Institute of Zoology of the former Soviet Academy of Sciences designed a new type of car-"King 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.