Liquid Crystal
Liquid Crystal
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Image Courtesy of Alex Prague
Liquid crystals have properties between conventional liquids and solid crystals. The molecules may flow like a liquid but have a crystalline structure.
Liquid crystals have properties between conventional liquids and solid crystals. The molecules may flow like a liquid but have a crystalline structure.
The interesting properties of liquid crystals were first discovered in 1888. Friedrick Reinitzer was working with cholesterol derivatives and noticed that the substance had two melting points. At 145.5° C it melted into a cloudy liquid, and then it melted again into a clear liquid at 178.5° C.
The interesting properties of liquid crystals were first discovered in 1888. Friedrick Reinitzer was working with cholesterol derivatives and noticed that the substance had two melting points. At 145.5° C it melted into a cloudy liquid, and then it melted again into a clear liquid at 178.5° C.
Study of these unusual substances picked up in the 1950s, with researchers working to develop practical applications. Liquid crystals are often used in aquarium and baby thermometers. As the temperature changes, it affects the optical properties and creates different colors.
Study of these unusual substances picked up in the 1950s, with researchers working to develop practical applications. Liquid crystals are often used in aquarium and baby thermometers. As the temperature changes, it affects the optical properties and creates different colors.
Liquid crystals are also used for electronic displays for televisions, cell phones, and computer monitors.
Liquid crystals are also used for electronic displays for televisions, cell phones, and computer monitors.
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