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And while Luxottica has nothing to worry about yet, he did manage to get some clearly if subtly photochromic samples, despite the challenges.

MIT's new 'PortaChrome' tech enables instant, on-the-go object redesigns using ultraviolet, red, green, and blue LEDs.

Tried and tested, here are the best ski goggles for clarity, comfort and vision, in men’s and women’s styles for all budgets ...