Liquid crystals exist in a phase of their own. They can flow like liquids, but because their molecules are arranged in a somewhat orderly way, they can be easily manipulated to reflect light. This flexibility has made liquid crystals the go-to material for energy-efficient phone, TV, and computer display screens. Liquid crystals exist in a phase of their own. They can flow like liquids, but because their molecules are arranged in a somewhat orderly way, they can be easily manipulated to reflect light. This flexibility has made liquid crystals the go-to material for energy-efficient phone, TV, and computer display screens. Analytical Chemistry Materials Science Phys.org – latest science and technology news stories