As we move our hands, small but detectable changes in electrical activity occur in the muscles of our forearm and wrist. Electromyography...

This is a continuation of a series on where printed circuit boards (PCBs) come from, the first post can be read here, and now we're going...

First things first, PCB stands for printed circuit board; it's important to avoid being the "ATM Machine" person who says "PCB Board"....