Science Surfing LEDs for the Rest of Us Share this: Share via email (Opens in new window) Email Click to share on Facebook (Opens in new window) Facebook Click to share on Reddit (Opens in new window) Reddit Click to share on X (Opens in new window) X Click to print (Opens in new window) Print By Science News October 17, 2007 at 1:02 pm Light emitting diodes, better known as LEDs, are the coolest new light sources. They’re tiny, long-lived, and rugged. But how do they work? Check out this site if you desire considerably more detail than can be found in a two-sentence summary. Go to: http://electronics.howstuffworks.com/led.htm