论文部分内容阅读
电灯使黑暗化为光明,使大千世界变得更光彩夺目,绚丽多姿,已经成为人们生活中不可缺少的家电用品。讲起电灯的发明,人们会自然的想起大发明家爱迪生,他曾经为选择合适的灯丝实验了1600多种材料,使白炽灯的寿命达到1200小时,使电灯进入实用阶段。电灯就是爱迪生发明的吗?这项伟大的发明究竟从何时开始的呢?下面我们来看一看电灯的发明史。
Lights turn the darkness into light, making the world more dazzling and beautiful. It has become an indispensable household appliance in people’s lives. Speaking of the invention of the electric lamp, people would naturally think of Edison, the great inventor. He had experimented with more than 1,600 kinds of materials for the selection of the appropriate filaments, making the lifespan of incandescent lamps reach 1,200 hours, and making the lamps enter the practical stage. Did Edison invent the lamp? When did this great invention start? Let’s take a look at the history of the invention of the lamp.