New states of matter
Public lecture by Professor Mark Warner FRS
Mark Warner FRS is Professor of Theoretical Physics at the University of Cambridge.
350 years ago, Robert Hooke understood the three states of matter very well. Gases only weakly resist volume change but do not resist shape change at all. Solids resist volume and shape change. Between them are liquids that resist volume change, but flow freely to change their shape. This elastic classification still serves us well today. Oddities like glass, liquid crystals, plasmas are either solids, liquids or gases in the Hookean sense. Professor Mark Warner demonstrates that putting solids and liquids together in a novel way can produce new substances that apparently defy Hooke. He illustrates that once the rules are stretched, fascinating new phenomena can emerge.
A recorded video is now available.
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