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Schlieren texture of Liquid Crystal. This photo was taken with a polarizing filter and a microscope

Liquid crystals are special substances that are usually liquid, but that show certain properties of a solid crystal. A liquid crystal (LC) may flow like a liquid, but its molecules may be rotated in a crystal-like way. There are many different types of liquid crystal phases. Different phases are different because their optical properties are different. Using a microscope and a polarized light source, different liquid crystal phases will have different textures. This is also shown in the image.  view more...