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Nobel Prize in Physics 2014: Why Were Blue LEDs so Hard to Make?
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Why blue LEDs are difficult to make
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LED there be light: 3 share Nobel for blue diode
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Nobel Prize in Physics 2014: Why Were Blue LEDs so Hard to Make?
Why the blue LED should light up your life (and won a Nobel Prize) - Science in the News
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How the Blue LED Changed the World, and Won a Nobel Prize
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Inventors of Blue LED Win Nobel Prize - Vox
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