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 #7: CFLs can be used anywhere an incandescent can be used, Part 2: | Fact #7: CFLs are generally not designed for outdoor use and some will not start in cold weather. |
more myths & facts... |
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…