David Spriggs is an English artist based in Montreal who paints on multiple panels of glass to create amazing works of art. The ethereal images appear to be floating behind the outer panels of glass. The technique he uses is called stratachrome, define
I gave him a rectangle of property. Each play dough color represents a type of soil or rock. Where should he build a house? Where should he dig a well? He must use "core sampling" to determine the answers.