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SUMMARY:LIQUID CRYSTALS: WHAT THEY ARE AND WHY YOU SHOULD KNOW ABOUT THEM 
 - Tom Lubensky\, Department of Physics and Astronomy\, University of Penns
 ylvania
DTSTART:20100602T150000Z
DTEND:20100602T160000Z
UID:TALK24748@talks.cam.ac.uk
CONTACT:Leona Hope-Coles
DESCRIPTION:Liquid crystals are materials that have properties\, like\nthe
  ability to flow\, normally associated with fluids and\nothers\, like opti
 cal birefringence\, normally associated\nwith crystalline solids.  They ha
 ve symmetries that fill\nthe gap between the full rotational and translati
 onal\ninvariance of homogeneous and isotropic fluids and the\nperiodic str
 ucture of crystals.  This talk will review the\nmenagerie of liquid crysta
 lline phases.  It will then\ndiscuss\, using examples from liquid crystals
 \, those\nproperties of any condensed system - long-wave-length\nelasticit
 y\, hydrodynamics\, and topological defect structure\n- that can be determ
 ined from symmetry alone.\n
LOCATION:Pippard Lecture Theatre\, Cavendish Laboratory
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