Monday, February 27, 2012

The Subtle Circuitry Behind LED Lighting - IEEE Spectrum


The Subtle Circuitry Behind LED Lighting
IEEE Spectrum
Like the backlights in modern cellphones and computer monitors, these lamps use light-emitting diodes to generate white light. They offer long lifetimes, pleasing colors, and most important, phenomenal energy efficiency. Is it now time to throw away ...

and more »