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 #5: High-Quality Light: Newer CFLs give a warm, inviting light instead of the "cool white" light of older fluorescents. | Fact #5: Even so, up to 25% of humans are adversely effected by fluorescent light in ways incandescent light never will. |
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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…