Dirty Liquid Crystals

Digging in the dirt. ‘They say each of us will eat a ton of dirt before we die, but how do materials respond to the presence of dirt? In most cases, dirt is detrimental, but for some systems, such as superconductors, impurities enhance the ability of the material to conduct an electric current without energy loss. Other materials affected by dirt include the diverse class of compounds known as liquid crystals, which are not only ubiquitous in modern electronic display devices but are also found in biological systems, such as cell walls.’

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