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It wasn t until 1989 that the first Blue LED was made available to the public, and it wasn t until 1993 that brighter Blue LEDs were available.

Feb 7, 2023•1 min read

Fun Fact:

It wasn’t until 1989 that the first Blue LED was made available to the public, and it wasn’t until 1993 that brighter Blue LEDs were available.

Source

en.wikipedia.org

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