sentence: Different phases are different because their optical properties are different.
sentences_before: Liquid crystals' are special substances that are usually liquid, but that show certain properties of a solid crystal. There are many different types of liquid crystal phases.
sentences_after: Using a microscope and a polarized light source, different liquid crystal phases will have different textures. This is also shown in the image.
concept_name: different phase
headings: Liquid crystal
categories: Physics