TWRoO said:
I thought it (both) used the conductivity of your fingers (electricity) ... not pressure.... which is why you can press as hard as you like with something like an eraser and nothing happens, but the lightest finger touch is registered. |
Correct TWRoO, that's why stylus don't work on the iPhone.
@L.C.E.C.: What you mention is a proximity sensor.
The screen is explained here: http://electronics.howstuffworks.com/iphone1.htm