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Light Surgeons Standby
- Jan 31, 2018 -
Later, incandescent lamps, fluorescent lamps, energy-saving lamps, neon lights and modern high-tech inventions of various high-tech lights springing up on the stage of lighting. Greatly facilitates people's production and life. Edison's greatest contribution to the electric lamp was the design of the filament. He experimented with more than 6000 replacement filaments in two years, as many as 1200 times. After experimenting with various materials around the world, Edison discovered that platinum was most effective.