Researchers are creating a new approach to reconstruct 3-D full-color holographic images by using just one layer of nanoscale metallic film. This work has a huge potential to change our daily lives by equipping our cell phones with 3-D floating displays and printing 3-D security marking onto credit cards.
from Engineering and Construction News – ScienceDaily https://www.sciencedaily.com/releases/2016/10/161013111711.htm
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