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 #15: Lower Cost, Part 5: The expensive CFL and LED bulbs will become cheaper after a ban, on economy of scale! | Fact #15: CFLs and LEDs need rare earth minerals to work. Recent rare earth mineral shortages will only cause their price to keep increasing. |
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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…