第1个回答 2015-04-12
Thomas Edison
（托马斯
爱迪生）
In 1879, after more than 1,000 trials and $40,000, Thomas Edison
introduced an inexpensive alternative to candles and gaslight: the
incandescent lamp. Using carbonized filaments from cotton thread, his
light bulb burned for two days. These bulbs were first installed on the
steamship Columbia and have been lighting up the world ever since.本回答被网友采纳