真空灯泡是发光体在真空玻壳里被点亮的白炽灯泡。
爱迪生为了铂丝制造的真空灯泡正好对于碳的使用来说相当理想。
The vacuum bulbs Edison had created for platinum were ideal for carbon.
但铂材料中的气泡启发了爱迪生，他开发出一种高效率的真空泵来抽取灯泡里的空气。
But gas bubbles in the platinum had led Edison to develop an efficient vacuum pump to remove the air from the inside of his bulbs.
Sandia公司的Simmons博士注意到，传统灯泡是最后一批还在使用真空管的装置，这项陈旧的技术在无线电和大多数电视上早就已经被取代了。
Conventional light bulbs are among the last devices that use vacuum tubes, an old technology that has long been replaced in radios and most televisions, notes Sandia's Dr Simmons.
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