How much energy—whether electric, coal, nuclear, or otherwise—is required for a 100-watt lightbulb to run for a year, 24 hours a day?
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How much energy—whether electric, coal, nuclear, or otherwise—is required for a 100-watt lightbulb to run for a year, 24 hours a day?
via awesome.good.isNote: If you read this via Email or Feed-reader click Permalink below to download bigger image.