Light-Bending Nanoparticles Could Lead To Superlenses, Invisibility Cloaks

 Light-Bending Nanoparticles Could Lead To Superlenses, Invisibility Cloaks

Directional scattering of an incoming electromagnetic wave by oriented nanocups.

Researchers at Rice University have created a metamaterial that could light the way toward high-powered optics, ultra-efficient solar cells and even cloaking devices.

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New Laser Probe Developed For Space Program Could Spot Cataracts Earlier

New Laser Probe Developed For Space Program Could Spot Cataracts Earlier 

 A beam of light from a slit-lamp microscope focused on a cataract.

Cataracts are the single biggest cause of blindness and are responsible for almost half of all cases worldwide. A new laser probe, originally developed for the U.S. space program, has been shown to detect the condition earlier than is otherwise possible. Its developers say that the technique can tell that a cataract is forming even when an eye looks perfectly clear.

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