LEDs use only a quarter the energy of incandescent bulbs.

LED灯使用电量仅为灯1/4。

They are also recyclable, unlike the older incandescent bulbs.

它们也是可回收，不像老式灯泡。

But these bulbs can easily be disposed of and even recycled, unlike incandescents.

但与灯不同是，这些灯泡可以很容易地丢弃甚至回收。

But number two, it's many times more expensive than that old incandescent bulb that worked very well.

“但第二点是，它比那个工作得很好灯泡贵很多倍。

They look and behave exactly like the old incandescents.

它们外观和行为与旧灯完全一样。

See the difference between a CFL and an incandescent?

看到 CFL 和灯之间区别了吗？

What you're seeing is a spectrum of light that a typical incandescent puts out.

您看到是典灯发出光谱。

The structure gives off " a warm, radiant incandescence" from within.

该结构从内部散发出“温暖、光光” 。

From some night at limelight or the tunnel?

就像刚有灯和隧道年代？

Incandescent bulbs are less efficient than CFLs, which means they use more electricity.

灯泡效率低于节能灯，这意味着它们消耗更多电力。

What you're actually seeing is a tiny bit of interplanetary debris: rock, ice, or metal ramming through the Earth's atmosphere, heated to incandescence.

岩石、冰或金属撞击地球大气层，加热到样子。

Which is replacing Thomas Edison's incandescent bulb as the the light source of the 21st century.

它正在取代托马斯爱迪生灯泡成为 21 世纪光源。

They're a lot more energy efficient than incandescent bulbs which lose a lot of their energy through heat.

它们比通过热量损失大量能量灯泡更节能。

By using a mixture of phosphors, they produce almost all the colors of an incandescent bulb.

通过使用荧光粉混合物，它们可以产生灯泡几乎所有颜色。

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

- 故事从这里开始，使用经典灯泡。

A century ago Thomas Edison had not yet invented the incandescent lamp to bring light to many dark places of the earth.

一个世纪以前，托马斯·爱迪生还没有发明给地球上很多黑暗地方带来光明灯。

The department's guidance says energy-efficient light bulbs typically used 25%-80% less energy than traditional incandescents and last three to 25 times longer.

能源部指导意见说，节能灯泡通常比传统灯节省25%-80%能源，使用寿命是灯3 - 25倍。

Consumers using incandescent bulbs use more electricity, which means that more coal has to be burned, which means that more mercury is released.

使用灯泡消费者使用更多电力，这意味着必须燃烧更多煤炭，这意味着释放更多汞。

Sometimes the light was very strong, and the incandescent white square cast against the ground glowed so brightly that the torches in the Great Hall paled in comparison.

有时光线非常强，投在地面上灯发出耀眼光，大殿中火把都显得苍无力。

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 替换十亿个灯泡中分之一，这将为他们节省 70 亿美元能源成本。