this post was submitted on 09 Feb 2024

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

submitted 9 months ago by Whirling_Cloudburst@lemmy.world to c/technology@lemmy.world

206 comments fedilink hide all child comments

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

(page 2) 50 comments

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[–] PipedLinkBot@feddit.rocks 13 points 9 months ago (1 children)

Here is an alternative Piped link(s):

https://piped.video/AF8d72mA41M

Piped is a privacy-respecting open-source alternative frontend to YouTube.

I'm open-source; check me out at GitHub.

[–] jabathekek@sopuli.xyz 10 points 9 months ago (1 children)

Here's an Odyssey link too:

https://odysee.com/@veritasium:f/why-it-was-almost-impossible-to-make-the:9

[–] privatizetwiddle@lemmy.sdf.org 7 points 9 months ago* (last edited 9 months ago)

Here's the lbry link to that Odysee link:

lbry://why-it-was-almost-impossible-to-make-the#9

[–] aeharding@lemmy.world 12 points 9 months ago

Samsung (etc) caught with their pants down

It makes you wonder how much longer it would take to commercialize blue LEDs without his contributions.

[–] downhomechunk@midwest.social 11 points 9 months ago (1 children)

I didn't watch this, but i bet technology connections video about blue Christmas lights is more entertaining!

[–] Leviathan@lemmy.world 13 points 9 months ago (1 children)

Which one? The man can't stop making videos about blue Christmas lights!

[–] Zanshi@lemmy.world 6 points 9 months ago

All of them! I like Veritasium though, not every video is a banger but this one definitely is

[–] sagrotan@lemmy.world 11 points 9 months ago (5 children)

I took a blue sharpie on my white LED - voilà

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[–] linuxPIPEpower@discuss.tchncs.de 10 points 9 months ago (5 children)

I freaking hate blue LEDs.

I actively avoid buying anything with a blue LED because they are so obnoxious. So bright. Why do I want to read by the light of my HDD? Does this video explain why they have to be like that?

Maybe if you have a separate wing of the mansion to do computing stuff it is not annoying. But if like a lot of people you have electronics in your living space, these lights are extremely disruptive.

It seems that can't really be dimmed.. I had to give up on a couple of blue backlit alarm clocks because there is no way that the time can be visible without illuminating the whole area around them.

For whatever reason, red is the best one. I would prefer another color aesthetically. For whatever reason, red is the only color that does what it has to do and nothing more.

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[–] Tramort@programming.dev 7 points 9 months ago

Awesome video. I had no idea about this story.

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