You probably know the company best for its most famous invention, the incandescent light bulb.

你可能最了解这家公司最著名的发明——白炽灯。

Incandescent light bulbs and fluorescent tubes are not really suitable for modulation, but they are yesterday's lighting technology.

白炽灯和日光灯的光其实并不适合调制，不过它们已是旧式的照明技术了。

The story starts here, with the classic incandescent light bulb.

- 故事从这里开始，使用经典的白炽灯泡。

The light from new CFLs is almost impossible to tell apart from incandescent light.

来自新节能灯的光几乎无法与白炽灯区分开来。

Like, a piece of printer paper looks white, whether you’re inside with incandescent lights or outside with natural sunlight.

就像，一张打印纸看起来是白色的，无论你是在白炽灯下还是在自然阳光下。

And in India, they're looking to replace a quarter of a billion incandescent light bulbs with LEDs, which will save them seven billion dollars in energy costs.

在印度，他们希望用 LED 替换十亿个白炽灯泡中的四分之一，这将为他们节省 70 亿美元的能源成本。

It was here that he and his research team developed the first successful incandescent light bulb and a working phonograph, the first device ever to record and play back the sound of a human voice.

正是在这里，他和他的研究团队开发了第一个成功的白炽灯灯泡和一个有效的留声机，这是有史以来第一个记录和播放人声的设备。