Recent content by eventnick

Interesting... But my finger is not technically earthed, of course so is it then that my body is just a much larger conductor than the penny relative to the charge on the screen so I can hold a much larger amount of charge without changing my potential?

Hello, I have a question that's really bothering me. So I've been reading about projected capacitance touchscreens (the kind that's in so many cell phones, the iphone etc) and I don't understand what the physical property of my finger is that allows the screen to function. From what I've...