Christopher Hickman writes: > > Why not just call "Clear" "Transparent"? > > Because eeyore will have to tell us all again that all of the non-opaque > pyramids are transparent: > http://lists.looneylabs.com/pipermail/icehouse/2006-February/000418.html But all of the non-opaque pyramids are clear as well. Colloquially, "clear" and "transparent" are pretty much synonyms. The distinguishing factor of Clear pyramids from other non-opaque pyramids is that they are colorless (achromatic). At least that's how I was taught by my high school chemistry teacher... --dougorleans@xxxxxxxxx