P 287-289 P1, P4, P9, P11, P18, P23, P26 DUE November 21. Next midterm is November 24, the Monday before Thanksgiving. I will give the review of November 21.
Eyes are wavelength detectors, but only to a degree.
We have three types of cones. Deduced because it takes three colors to match any particular. Spectral complementaries only outside of crossover points. If only one response curve, cannot deduce color. So response curves must overlap.