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- cross-posted to:
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The blue LED was supposed to be impossible—until a young engineer proposed a moonshot idea.
The blue LED was supposed to be impossible—until a young engineer proposed a moonshot idea.
Gamma rays have so much energy that they are basically emitted only by nuclear processes, as far as I know.
Until we stick it in an led!
I guess past the uv range we should just call them ED, but then you only think about erectile dysfunction.