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Nichia of Japan pioneered the development of gallium nitride blue LEDs and lasers and is now turning its attention to UV devices. Adarsh Sandhu reports from Tokushima, where he interviewed senior executives from the firm.
As everything else seems to get faster, why are scientists trying to slow light down? David Gevaux spoke to Fengnian Xia and Yurii Vlasov at the IBM Thomas J. Watson Research Center to find out.