Is someone aware of a software package that could be used in a MEMS or Physical Electronics course that would allow the students to better visualize the atomic structure of silicon and assist in better understanding the different crystallographic planes and Miller Indices directions as it relates to silicon (or zinc-blende or diamond lattices in general)???? Thanks in advance, Kevin -- Dr. Kevin M. Walsh Electrical Engineering Department, Speed Scientific School University of Louisville, Louisville, KY 40292 (502) 852-0826 Internet address: kmwals01@starbase.spd.louisville.edu