The authors said: 'Numerous popular books advise people not to display their affections too openly to a potential romantic partner and to instead appear choosy and selective.'
Such distinctive optical properties as opticity and selective reflection of chiral agent-doped PDLC have widely been applying in the field of light filter, grating, and reflective display, etc.
The authors said: 'Numerous popular books advise people not to display their affections too openly to a potential romantic partner and to instead appear choosy and selective.