Next-gen contact lenses designed to be "wearable holograms"

(Natural News) In the near future, contact lens might become self-powered wearable tools that can diagnose your health based on your tears. That is because U.K. researchers have found a way to print nanostructure “holograms” on their surface that turns the lenses into “smart” electronics, an article from Nano Werks states. Human tears contain biomarkers that...