In many people’s minds, today’s technology is more advanced than before. Although it seems that there is no problem in thinking this way, after all, today’s conditions are very good in all aspects and are also conducive to invention and creation, but even so, it’s not It cannot be proved that there were no great inventions in ancient times. For example, seismograph , contact lenses, fax machines, these technological products that we are very familiar with were actually born in ancient times. It has been very long since today. The editor will say, increase knowledge: 9 ancient inventions with a longer history than people think!
1, seismograph
We all know that the function of seismograph is that it can predict the occurrence of earthquakes. The earliest inventor of seismograph is Zhangheng from the Eastern Han Dynasty He was the earliest astronomer in China. Since there was no knowledge about plate motion at that time, earthquakes were considered to be the result of yin and yang interference in the universe.
Many scholars, including Zhang Heng, believe that the "feng shui prediction" is part of the universe's activities and part of predicting events on the earth. Zhang Heng's earthquake view is based on these ideas. In 132 AD, he invented After the first seismograph, this invention is considered by many historians to be the most impressive. This seismograph is a two-meter-wide bronze vessel. Its central column functions as a pendulum. Eight octagonal heads are equally spaced around it. When an earthquake occurs, a ball falls out of a dragon's mouth and slides into the bronze toad on the base to indicate the direction of the disaster. The device can detect the direction of an earthquake hundreds of kilometers away.
2, central heating
Central heating was first invented by the ancient Greeks , in the buildings of ancient Greece and the Roman Empire,A heating system called "sub-large stove" was used, in which the air heated by the stove was conducted through the empty space under the floor and the pipes on the wall. After the fall of , the Roman Empire became obscure and difficult Understand, Europeans have used the original fireplace to restore heating for a thousand years. It was not until the 13th century that the monks in the reservoir used water diversion technology and indoor wood-burning stoves to revive the central heating system in Christian Europe.
3, contact lenses
Nowadays many people wear contact lenses, because they are very convenient, very healthy, and do not affect their own image, so they are very popular, although we all know that invisible Glasses were invented by the American Kevin Toch in 1948, but the person who really had this idea was actually Leonardo da Vinci.
He introduced the concept of contact lenses in the "Eye Code" in 1508. In the book, he introduced the method of changing vision through water or glass balls so that the nearsighted can see things clearly. At that time, due to limited technology, This idea could not be implemented until the German ophthalmologist Adolf Gaston Eugene Fick made the first successful lens with heavy glass in 1888. However, due to the immature technology, it was not accepted by the public, but Da Vinci's great concept helped later people invent contact lenses and brought important inspiration!
4, spring-loaded mousetrap
This traditional spring-loaded mousetrap has a much longer history than people think. It was invented in 1884. According to historical records, The mousetrap was first discovered by Andrea Alcayato in 1534. Although there were many traditional mousetraps in the 17th and 18th centuries, this spring-loaded mousetrap was invented in 1884. Yes, it can catch mice quickly, and it has become an important tool for people to catch mice!
5,Smallpox vaccine
Smallpox is an infectious disease. In ancient times, the mortality rate was very high. Like some emperors we are familiar with, they all died of the smallpox virus. During the Tang Dynasty, China had a vaccine against smallpox. According to records, the famous doctor Sun Simiao used pus taken from smallpox aphtha to prevent smallpox.
Therefore, from this perspective alone, Sun Simiao’s invented vaccine is much longer than the British Edward Jenner , who invented the vaccinia vaccine to treat smallpox virus in 1796. Of course, it has a longer history. No matter who’s invented earlier, as long as it can benefit mankind, we all have to support it.
6, 3D printing
3D printing technology looks like a technology invented in recent years, but it is not. It is Hideo Oda of Nagoya City Industrial Research Institute, in 1981 In 1984, two methods for additively printing 3D plastic models using light-hardening thermosetting polymers were invented for the first time, and the other two methods of stereolithography, namely the process of polymer chains forming links after exposure, were published in 1984. The United States and France obtained patents.
In the next few years, many inventors also studied several other technologies and printers and applied for patents. Now 3D printing has been widely used in the industrial field, which makes rapid creation of prototypes before mass production Normally, it is also used to make custom parts, such as engine brackets and nuts, which are made of metal rods or metal plates.
Since 2010, this professional 3D printer has become the main buyer, and libraries have also begun to use smaller printers for educational purposes.This technology is becoming more and more popular.
7, fax machine
Fax machine is a frequently used office equipment, but it is unimaginable that the invention of the fax machine is actually very old. It was the British inventor Alexander Bay En was invented in 1843. The mechanical facsimile equipment developed at the time was also patented. Later in 1880, British inventor Shelford Bidwell built the "scanning telegraph", which was the first to use selenium. The fax machine that scans by the photoelectric tube, after the inventor's continuous innovation and improvement, the fax machine has become an important office equipment today.
8, headphone jack
The audio jacks we usually use have three different sizes. The original 6.35mm jack was invented by George W. Coy in 1878. This jack is mainly Used in Connecticut commercial manual telephone exchanges, and the other two sizes of audio jacks, 3.5mm and 2.5mm, were designed as transistor radio headsets in the 1950s. Of course, today we use the most sized headphone jacks. 3.5 mm, often used in mobile phones or walkman.
9, color film
In March 1899, Edward Raymond Turner started working in the studio of color photography pioneer Frederick Ives, where, He developed a camera that uses a rotating disk of three color filters to capture the color separations on a roll of black and white film.
The image is recorded in three frames, one frame is filtered by red, one frame is filtered by green, and the other frame is filtered by blue. After completion, the film is shown three frames at a time. However, his camera has two shortcomings. If the object moves too fast, recording the object in three different frames will cause the image to be blurred, and mechanical instability will cause the image to shake.But the most pioneer of this technology, Edward Raymond Turner, has brought great help to the younger generations, which cannot be ignored.
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