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

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[-] Alto@kbin.social 2 points 9 months ago

Right there with you.

More specifically, it's because purple fires your red and blue cones, but not the green one. Normally, as green is between red and blue, anything that would trigger those two also would trigger green. So when it doesn't, that's when your brain goes "well I guess it's not green???"

this post was submitted on 09 Feb 2024
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