6H10  Dichroic Polarization
            .10 Polaroid Sheets Crossed and Uncrossed
            .20 Microwave Polarization
            .40 Polaroids Cut at 45°
6H20  Polarization by Reflection
            .10 Polarization by Reflection
            .20 Polarization by Double Reflection
6H30  Circular Polarization
            .10 Rotation by Polarizing Filter
            .30 Barbershop Sugar Tube
            .40 Optical Activity in Corn Syrup
6H35  Birefringence
            .15 Double Refraction in Calcite
            .40 Quarter Wave Plate
            .50 Photoelastic Stress Figures
            .55 Optical Activity in Cellophane Tape
            .56 Polarized Lion
            .57 Polage
6H50  Polarization by Scattering
            .10 Polarization by Scattering