Prof Colin Humphreys of Cambridge University is working on new light bulbs based on LEDs. To get costs down, the LEDs have to be grown on silicon and not expensive sapphire. Any VCs searching for a global business need look no further; angels will need deep pockets.
Hat tip: Sarah O’Meara, feature writer CEN. Article 28 January 2008, Sientist offers a brighter approach.
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