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Why It Was Almost Impossible to Make the Blue LED
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YouTubeThe Engineering Mindset
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How LED works ⚡ What is a LED (Light Emitting Diode)
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YouTubeVirtualBrain [ENG]
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YouTubeUnbox Engineering
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How Blue LEDs Changed the World
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YouTubeBloomberg Originals
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YouTubeALL ABOUT ELECTRONICS
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YouTubeIllustrate to Educate
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YouTubeThe Organic Chemistry Tutor
3:20
LED Explained
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YouTubeFull Spectrum Solutions
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