Many materials show internal stress when illuminated with polarized light and photographed with a second analyzing polarizer. This unique property of materials is called birefringence. Some of the more common material that exhibits this property is glass, ice, and most plastics.
A . 22 caliber bullet moving at 1,200 feet per second slices through an apple in the classic high-speed shot. This photo was created recently by Nasser Albahri at the Rochester Institute of Technology (RIT).
Polarized light is light that has waves oscillating all in the same direction. There are two basic ways to get polarized light: from reflection or by using a filter. Amazing colors can be created in frozen ice crystals, which are seen here beginning to form as the water freezes. Under polarized light the ice appears […]