#3369

88

May 15, 2011, 6:15 p.m.

⚐ Report

Schafer: Optical densities. 1.00 for air. 1.33 for water... //goes on and on Sarah: Oh, he's good. He knows all those constants. Schafer: Oh I know constants. Some of you go home and watch Pokemon, but I go home and read constants.