Forget any other uses for LEDs; the only place they really need to be is in the bar.
LEDs are everywhere. They are used in everything from remote controls to giant wall displays and televisions. The little lights are a ubiquitous part of everyday life: signs tell us where to go, clocks tell us what time it is, control panels let us know the state of our devices. Lately, they have been showing up in everything from DLP projectors to streetlights.
The first LEDs in practical use had very little light output and would be often found in alphanumerical displays … Read more