Science, Health, and Food Blog

From Newsatlas: A new flat-panel LED light could reduce power use tremendously. Scientists at Tohoku University in Japan have made a cheaper...

This is not the same as a super efficient LED circuit where a battery could light an LED for 10 years . This is a whole new LED technology a...

Lumir, the LED powered by a candle . I can see why this would be useful. It's hard for many people, especially older people, to read by ...

Some people are working on circuits to make a dim LED light run for a year, or even 25 years. The initial attempts are to provide "mark...

New CREE light fixtures (not just bulbs, fixtures) use power from ethernet cables. They can also be controlled by the computer over the netw...

This post is about making simple LED light circuits. LEDs are Light Emitting Diodes, and as such, they use DC power (batteries) to create li...