What did Edison do in his life?

ThomasAlvaEdison is a world-famous American electrician and inventor. Besides his inventions and contributions in phonograph, electric light, telephone, telegraph and film, he also has many famous creations and insights in mining, construction and chemical industry. Edison made about 3, inventions in his life, which made great contributions to human civilization and progress.

Edison loved doing experiments since he was a child. On one occasion, Edison even let his friend Mika drink it and it boiled away. Because they think they can fly if they drink boiling water. Although the experiment failed and Edison was beaten by his father, he still insisted on his own experiment. Later, through talking with his mother, Edison finally transformed his basement into his own laboratory.

After that, Edison, in his youth, ran around among various telecom companies for a long time and worked everywhere. It was not until later, when he was the chief engineer of new york Gold Price Stock Exchange Company, that he invented and studied the telegraph. After that, Edison bought the identification machine "Dika" invented by himself to the director of the Gold Price Stock Exchange Company, and then earned an asset of 4, US dollars. Later, Edison used the money to build a number of research institutes before he invented inventions such as electric lights and generators.

until Edison died on October 18th, 1931. Edison invented more than 3 kinds of inventions in his life, and his invention patents were 128. If you want to know the stories of great men, I suggest you take a look at the biographies of great men in the world.