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Nanophotonics

Nanophotonics

Contact-free 3D display responds to tiny changes in ambient humidity

08 Sep 2020 Isabelle Dumé
A gloved hand holding an iridescent coloured film stuck to the side of a glass bottle and on a flexible substrate.
Photographs of the block copolymer photonic crystal display material transferred onto a glass bottle (left) and onto a PET substrate (right). (Courtesy: Han Sol Kang/Yonsei University)
Researchers in Korea have developed a new 3D display with a touchless interface that responds to the

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Isabelle Dumé is a contributing editor to Physics World
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