Light Emitting Diode

cindybz
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Published 13 Dec 2009
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If we replaced all the light bulbs with LEDs (Light Emitting Diodes), we would save 20 billion dollars in t...
If we replaced all the light bulbs with LEDs (Light Emitting Diodes), we would save 20 billion dollars in the US – which corresponds to shutting down 30 large electrical plants.
Categories: Science & Tech
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