I will show you some plain science for LED technology and in the following days
Basically, LEDs are just tiny light bulbs that fit easily into an electrical circuit. But unlike ordinary incandescent bulbs, they don't have a filament that will burn out, and they don't get especially hot. They are illuminated solely by the movement of electrons in a semiconductor material, and they last just as long as a standard transistor. The lifespan of an LED surpasses the short life of an incandescent bulb by thousands of hours. Tiny LED are already replacing the tubes that light up LCD HDTVs to make dramatically thinner televisions.
In the next article, we'll examine the technology behind these ubiquitous blinkers, illuminating some cool principles of electricity and light in the process.
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