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About Liquid Crystals~!

  1. Oct 22, 2007 #1
    Yoy guys, Im working on an invention recently which is related to liquid crystals. I wanna know how liquid crystals in a forehead thermometer works. Or basically, how a forehead thermometer works! Thx guys!
     
  2. jcsd
  3. Oct 22, 2007 #2

    mgb_phys

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  4. Oct 22, 2007 #3

    chemisttree

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    The device is explained here. Liquid crystal terminology can be found here. The cholesteryl ester based liquid crystals are termed "Chiral" liquid crystals.
     
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