Assertion: lcd's color | /r/CapableOf | change with the angle of observation
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text: The color depends on the helical twist (editor’s note: a complete turn of the helix): if the pitch is very tight, reflection occurs towards the blue or even ultraviolet range; if the helix is loosely twisted, reflection is in the red or infrared range, and the color also changes with the angle of observation,” points out Mitov.