This is a student activity on the detection of a warm object with a liquid crystal sheet. This activity also can be a simulation of the detection of infrared radiation. The "For Further Research" section includes questions for the student.
%0 Electronic Source %D June 29, 2011 %T Liquid Crystal IR Detector %I Exploratorium %V 2014 %N 22 October 2014 %8 June 29, 2011 %9 text/html %U http://www.exploratorium.edu/spectra_from_space/IR_activity/
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