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Why It Was Almost Impossible to Make the Blue LED (youtu.be)

submitted 8 months ago by Whirling_Cloudburst@lemmy.world to c/technology@lemmy.world

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The blue LED was supposed to be impossible—until a young engineer proposed a moonshot idea.

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[-] TonyTonyChopper@mander.xyz 18 points 8 months ago

More efficient compact X-ray generators would be pretty huge for science work. We run the diffractometer in my lab at 2 kW and it still takes hours to get a good quality scan

this post was submitted on 09 Feb 2024

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