Filed under: Misc. Gadgets

It looks like a team of UC Berkeley researchers led by mechanical engineering professor Xiang Zhang (pictured) have found a way to squeeze light into tighter spaces than ever though possible, which they say could lead to breakthroughs in the fields of optical communications, miniature lasers, and optical computers. The key to this new technique, it seems, is the use of a “hybrid” optical fiber consisting of a very thin semiconductor wire placed close to a smooth sheet of silver, which effectively acts as a capacitor that traps the light waves in the gap between the wire and the metal sheet and lets it slip though spaces as tiny as 10 nanometers (or more than 100 times thinner than current optical fibers). That’s apparently as opposed to previous attempts that relied on surface plasmonics, in which light binds to electrons and allows it to travel along the surface of metal, which only proved effective over short distances. While all of this is still in the theoretical stage, the researchers seem to think they’re on to something big, with research associate Rupert Olten saying that this new development “means we can potentially do some things we have never done before.

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Filed under: Wearables

While there’s been no shortage of research surrounding the saving of one’s eyesight, the EU-funded CORNEA project has now developed an artificial cornea that is showing promise in trials. Reportedly, scientists at the Fraunhofer Institute for Applied Polymer Research IAP in Potsdam and the Department of Ophthalmology at the University Hospital of Regensburg have created a device that is “based on a commercially available polymer which absorbs no water and allows no cells to grow on it.” Put simply, the cornea implant can “firmly connect with the natural part of the cornea, while the center remains free of cells and therefore clear.” Apparently, early versions have already been successfully placed in the eyes of rabbits, and if ongoing testing goes smoothly, they’ll be headed for humans as early as next year.

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