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CATEGORIES:Cavendish Physical Society
SUMMARY:LIQUID CRYSTALS: WHAT THEY ARE AND WHY YOU SHOULD 
 KNOW ABOUT THEM - Tom Lubensky\, Department of Phy
 sics and Astronomy\, University of Pennsylvania
DTSTART;TZID=Europe/London:20100602T160000
DTEND;TZID=Europe/London:20100602T170000
UID:TALK24748AThttp://talks.cam.ac.uk
URL:http://talks.cam.ac.uk/talk/index/24748
DESCRIPTION:Liquid crystals are materials that have properties
 \, like\nthe ability to flow\, normally associated
  with fluids and\nothers\, like optical birefringe
 nce\, normally associated\nwith crystalline solids
 .  They have symmetries that fill\nthe gap between
  the full rotational and translational\ninvariance
  of homogeneous and isotropic fluids and the\nperi
 odic structure of crystals.  This talk will review
  the\nmenagerie of liquid crystalline phases.  It 
 will then\ndiscuss\, using examples from liquid cr
 ystals\, those\nproperties of any condensed system
  - long-wave-length\nelasticity\, hydrodynamics\, 
 and topological defect structure\n- that can be de
 termined from symmetry alone.\n
LOCATION:Pippard Lecture Theatre\, Cavendish Laboratory
CONTACT:Leona Hope-Coles
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