Edison grew up in a poor family. At that time, in order to live a better life, they often moved. Later, they went to Otterborg and Grati and went to school here. But at that time, Edison often asked different questions when he was at school, so he was ridiculed as an imbecile by some teachers at that time, and then he was expelled after only three months of study. Although many teachers and principals think Edison is an imbecile, Edison's mother doesn't think so. He found that Edison was actually very creative.
1862, Edison saved the son of the stationmaster at that time on the railway track, so he was very grateful to Edison and taught Edison to send a telegram. 1868, he obtained his first invention patent by making a device that can record votes. In his later years, he devoted himself to research, improved the telephone invented by Bell at that time, and made the first phonograph on this basis. 1879 65438+1October 2 1 day, he developed the high-resistance incandescent lamp, and invented the most practical carbonized bamboo filament lamp the following year.
Edison was a great inventor, and he made a great contribution to mankind. Although he is only a man with a low educational level, he has never given up his curiosity about the world. He is also a man of seeking truth from facts. It takes countless experiments to make his invention come true. He invented the phonograph, electric light, film and other objects, which played a great role in mining, architecture and other fields and promoted the development of human history.