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Charge of the LED Brigade; Light Bulbs
Article from Bulletin/Magazine
The Economist (http://search.proquest.com/) vol. 400 no. 8747 (Aug. 2011)
Light Emitting Diodes
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Lihat Detail Induk
For an object whose image represents a bright idea the incandescent light bulb is increasingly being recognised as a bad one. After a century as a primary source of artificial light these energy-guzzling bulbs are set to be replaced by light-emitting diodes (LEDs), powered by semiconductors. And the switch will happen fast for a part of the electrical industry that has relied on a single technology for 100 years. The change is being driven by regulations, technical improvements and fickle consumers.
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