In addition, take Edison as an example, he is the one have profound impact on the world by using the principles of electrical engineering research laboratory to mass production in a major patent. He invented the phonograph, the motion picture camera, and the lights which have a significant impact on the world. There are total of two thousand of his life, and more than a thousand patented. He have said that “Genius is one percent inspiration, ninety-nine percent perspiration.” When Edison started to invent lights, he use more than 1600 materials to do the test. However, experimenting again and again always facing repeated failure. At that time, the majority of experts considered that it is impossible for Edison created the lights, some celebrated