Cellophane tape is put on piece of glass in various directions. Another piece of tape is crumpled up. These are viewed between two polaroid fiters rotated 90 degrees with respect to each other. ASU copyright
Cellophane tape is put on piece of glass in various directions. Another piece of tape is crumpled up. These are viewed between two polaroid fiters rotated 90 degrees with respect to each other. ASU copyright