This weblog is no longer being maintained. All information here has been ported to EclecticEchoes.com. This site (heupel.com/eclectic) remains only for archival purposes.
Any guesses from the audience what these are? Material and manipulation?
I’ll have a random small prize (a book from my technical book shelf, or a random item of used computer gear, or a 6” by 24” scarf) for the first person who can figure it out…just email eric at heupel dot com.