Más sobre LEDs
Five things to consider before buying LED bulbs - CNET Good article. Remember to look about dimming and about LED that can be used in enclosed light fixtures
Picture of Results: Desk Lamp
I acquired some broken fluorescent fixtures used for aquariums, they are made of mostly aluminum, with metal reflectors, and are of high quality, too good.
The evolution of the light bulb. - Electrical Engineering Pics: The evolution of the light bulb.