The Nightmare in Silicon Valley: 8 horror technologies that should scare you to death
Every night is fright night with what can happen once these scary technologies take hold in ways that you may not have imagined.
Researchers demonstrate flat lenses with focusing power that adjusts based on what the person is viewing.
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switchable liquid crystal diffractive lenses
Researchers at the University of Arizona have demonstrated eyeglass lenses, or what's called switchable liquid crystal diffractive lenses, that could potentially replace biofocals for far-sighted people. The flat lenses have focusing power that adjusts based on what the person is viewing.
Caption by: Bill Detwiler
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