Even when we turn off the bedside lamp and are fat asleep, electricity is working for us, driving our refrigerators, heating our water, or keeping our rooms air-conditioned.

即使当我们关掉了床头灯，深深地进入睡乡时，电仍在为我们工作，它帮我们开动冰箱，帮我们烧水或使我们房间里的空调机保持运转。

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Among them are some modern things like a solar powered lamp and even a throne made of weapons created by an African artist.

其中包括太阳能灯等现代物品，甚至还有一位非洲艺术家用武器制作的王座。

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Listen, Lamp-Wick, said the Marionette, are you really sure that there are no schools in the Land of Toys?

“听着，小灯芯，”木偶说，“你真的确定愚人国里没有学校吗？”

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Many of the current lamp posts are made of concrete and are showing signs of wear, with some at danger of collapse.

BBC: Energy saving hope for new street lights

Sensors attached to traffic lights, lamp-posts and other city landmarks are seen as key to creating smarter cities.

BBC: Researchers work on smart city search engine

In case you are in need of a refresher, this DLP throws out the normal lamp in favor of a cluster of LEDs that will (hopefully) provide better color and a longer life with no brightness degradation.

ENGADGET: NuVision's 52LEDLP 1080p LED based DLP priced and dated HD