改变世界14大发明：马桶 胸罩也入围

　　Light Bulb (19th Century)

　　While Thomas Edison is often mentioned as the inventor of the light, historians Robert Friedel and Paul Israel cite at least 22 earlier inventors. Edison's version (pictured) was able to transcend others because of some key details, including finding an effective incandescent material and being able to achieve a higher vacuum and a high resistance.

　　电灯泡（19世纪）

　　人们经常提到，托马斯•爱迪生发明了电灯泡，而历史学家罗伯特•弗里德尔和保罗•伊斯里尔提到了至少22种更早的类似发明。爱迪生的发明版本能够从中胜出是由于一些关键的细节，包括找到了一种有效的发白热光的材料，灯泡内能够达到较高程度的真空和高电阻。