A light-emitting-diode (LED),is a semiconductor diode that emits light when an electric current is applied in the forward direction of the device, as in the simple LED circuit. The effect is a form of...
Step one Keep a Score Card Let's begin keeping a scorecard with one of the industry standards at this writing, Barnes Noble at: Since I have e-books in the "self-publishing" category that I want to track, I am...