This is an image of an anatomical model shot using cross polarization.

This is an image of an anatomical model shot using cross polarization.

This image was made by photographing a Kitchenaid mixer shield in polarized light. The colors are created by various stress points in the plastic.

Image captured using an optical microscope with a high resolution digital camera.

This image was made by photographing a Kitchenaid mixer shield in polarized light. The colors are created by various stress points in the plastic.

This aircraft was also known as the "Silk Purse." It was used to study high alpha flight. The curved lines on the nose are dye that was squirted out of nozzles at high attack angles. The dye hardened to show air flow over the plane during specific maneuvers.