1880, Edison invented an electric light bulb that can last for more than 1200 hours, which is cheaper and more durable than processing electric light bulbs with cotton thread. In order to use many light bulbs at the same time, Edison began to study generators, plugs, switching systems and fuses. 188 1 year, Edison held a lighting conference, and several groups of lights were lit at the same time. This news immediately caused a sensation all over the world and won the first international prize at the Paris World Expo in the same year. Edison is thirty-four years old.
Reference: Li Jiaheng
Edison's copyright mode 188 1 is an excellent example for him to win the Paliament gold medal as an invention model. He is a model of all models.
As his role model.
The villain answered the most correctly! !
Edison has a special congressional gold medal and other awards.
Edison's first hand was the train boy, because he had to catch a train.
Catch the train
If you want to jump on it ... the train driver saw the danger.
Get on the train with one hand
If you follow me, you will wake up and hit your left face ... you are deaf and deaf.
Grammy Award for Science and Technology Grammy Award for Director Award Congressional Gold Medal for Navy Outstanding Service Medal Mathesy Medal for john foley Prize.
Edison didn't like prizes, only patents.