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Illuminating lumens

Because there are so many new types of bulbs, the Federal Trade Commission has proposed labels that emphasize lumens, a measure of brightness. The more lumens, the brighter the bulb.


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In light-bulb business, lumens try to power past watts
Article | America, prepare to embrace "lumens." For more than a century, buying light bulbs has been a fairly straightforward transaction: Consumers have judged pear-shaped incandescent bulbs by how much wattage, or power, they consume.

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