A guess why we are confused by wavefunctions

Electrons, if they are in a Xtal are points in momentum space (ie there momentum is quantized) and if you are not careful you can walk away with the impression the electron is a point in xyz space.

http://lessonpeer.com/drhillteach/A%20guess%20why%20we%20are%20confused%20by%20wavefunctions.mp3