Who invented the tungsten filament
In the development process, Thomas Alva Thomas Alva Edison carefully analyzed the gas and the lights at the time, his main direction is to find a heat-resistant material.
The world's first plow-shaped light was successfully commissioned by American scientist Thomas Alva Tomasva Edison on October 21, 1879.
By the current to burn it to the degree of white heating and issued a hot light but not break or melt. He accidentally found the cotton thread in the air suddenly burned ashes, and carbon cotton into the treated glass ball is issued a flash light. Unfortunately, the light only lasted for a few minutes to disappear
In the hearts of everyone has been a wrong understanding, all thought Edison invented the tungsten filament lamp, in fact, not, Edison first invented white hot light, and to create a "bamboo light."
In 1906, the United States invented the tungsten filament, tungsten filament lamp from 1907 has been in use since; and in 1913, the United States invented the power of Milan, power, long life, high efficiency inflatable tungsten bulb.
