There is such a person who is called "the person closest to God" by the world. Some people say that he predicted the First and Second World Wars, and some people say that he predicted the Titanic. The sinking of the world, and some even claimed that he had used electromagnetic technology to travel through time and space. He was Nikola Tesla.
Tesla was born in Smilian, Austria, on July 10, 1856. His father was a clergyman, and he hoped that Tesla would inherit his father's business from an early age. But Tesla had determined to be an engineer since he was a child, and went to school in Karlovac, Croatia when he was young.
In 1875, Tesla was admitted to the Graz University of Technology in Austria with excellent results. He studied in the Department of Physics, Department of Mathematics and Department of Mechanical Engineering. However, due to his poor family, he only attended one degree at the university. The Military Border Agency revoked the scholarship for his course in 2008, and he was forced to stop studying because he could not afford the tuition fees. After he was suspended from school, he did not neglect his studies. Instead, he went to the university to audit courses every day. But who would have thought that such an audit student would play a significant role in the progress of human industrial civilization in the future?
In 1884, Tesla was recommended by Charles Barcello to work in the Edison Laboratory. His recommendation letter was written by Charles Barcello to Edison, including one sentence: "I know of two Two great people, one is you and the other is this young man."
Later, Edison arranged for him to work in a machinery company. At first, Edison only arranged for Tesla to do some simple electrical design, but because of his strong learning ability, Tesla gained Edison's attention. Edison gave Tesla full trust and gave him full responsibility for the design of the DC motor.
Edison once promised to award Truss $50,000 if he could design a DC motor. However, after Truss designed the DC motor, Edison refused to give him a $50,000 reward because he believed that he It was a joke at first, and it was just a symbolic increase in salary. During his time at the company, Edison was very underpaid by Tesla. Gradually, there was a gap between the two people who originally trusted him.
Tesla later withdrew from Edison's company and established his own company in 1886. With the invention of the first generator power system rectifier, Tesla won his first A patent.
When Tesla was studying direct current engineering at the Edison Company, he realized that commercialization of direct current would be very costly, so he began to study alternating current because alternating current can be effective in transmitting electricity over long distances. Reduce energy consumption, and after Edison discovered that Tesla's alternating current threatened his monopoly of direct current, he began to suppress it crazily.
In order to make the world disgusted with alternating current, Edison used AC electric shock experiments on death row prisoners. When the alternating current electrocuted the death row prisoners, everyone present was shocked, and these cruel scenes were also rushed by the media. Report.
As a result, in people's minds, alternating current is synonymous with the "god of death", and Tesla was hit hard by the public's misunderstanding, but despite this, it still failed to stop Tesla's creativity. , he successively improved alternating current, researched wireless power transmission, wireless calls, etc.
Until 1893, Westinghouse and Edison competed for the lighting project of the Columbian Exposition. This current battle of "direct current and alternating current" was finally won by Westinghouse and Truss's "alternating current" and got the Lighting project for the Columbian Exposition.
Tesla was ready to show the reliability and development of alternating current to the American people. Through this project, "alternating current" was recognized by people. At that time, Tesla held the patent for alternating current. , Tesla will receive a royalty of US$2.5 for every horsepower of alternating current sold. At this rate, he will soon become the richest man in the world. But what is unexpected is that he actually chose to give up the patent rights and make the alternating current patent public permanently. Free for all mankind to use!
In 1935, Tesla dug a deep well in the laboratory and placed a steel casing in the well. After plugging the hole, he input vibrations of different frequencies into the well. In the process, Tesla La found that once the frequency reaches a certain index, the ground will vibrate so violently that the surrounding buildings will collapse.
So much so that the "New York Times" at the time exaggeratedly said: Tesla single-handedly induced an earthquake that almost leveled New York to the ground.
Tesla also jokingly said: If I want, I can split the earth in half within a year! In order to develop more inventions that could change the world, he chose not to marry for the rest of his life and spent most of his time in the laboratory.
The sad thing is that although Tesla obtained more than 700 invention patents, he did not ask for a penny for these patents, so that in his later years Tesla could not even pay the rent. He is not good at intrigues and likes to work alone. For him, a laboratory where he can conduct any research is his biggest dream.
A reporter asked him this question when interviewing him: You could have become the richest man in the world, but you chose not to take any money. Do you think your efforts were worth it? Tesla responded this way: A person's value should not depend on what he has achieved, but on what he has contributed to mankind. In January 1943, Tesla, known as the "science geek" among the people, died of heart failure in a small hotel at the age of 86.