National Geographic Light Bulb Savings Calculator
Editorial: Interesting idea. Not sure how helpful it is… From a pure web development standpoint, this calculator is beautiful, elegant, and simple to use. It uses slide bars to allow…
Myth #3: Although initially more expensive, you save money in the long run because CFLs use 1/3 the electricity and last up to 10 times as long as incandescents. | Fact #3: See Myth #1 (most homes do not run CFLs continuously), and Myth #2 (from creation through use then to disposal, CFLs use more energy). |
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Editorial: Interesting idea. Not sure how helpful it is… From a pure web development standpoint, this calculator is beautiful, elegant, and simple to use. It uses slide bars to allow…
Excerpt from: http://allthingsd.com/20120117/picking-the-brightest-most-efficient-bulb/?refcat=reviews For years, we’ve measured light bulbs by watts, which indicate how much energy a bulb uses. But bulb brightness is measured in lumens. Many of the new…