A noble Blue Nobel.

[Doggy Styles]

Commercial blue LEDs came out a good 20 years or more ago didn't they?

The Nobel prize committee certainly don't like committing themselves prematurely.

threaded invented them by going into the future and bringing them back.

[NickFitz]

A friend of mine was told, when studying Physics at university in the late 70s or early 80s, that blue LEDs were impossible

[d000hg]

I remember the first blue leds, they were a few pounds each while the red were 12p.

Yeah, me too

[vetran]

I remember the first blue leds, they were a few pounds each while the red were 12p.

[d000hg]

Why was a blue one so much harder to create than red or green?

Because of physics.

[Pondlife]

Why was a blue one so much harder to create than red or green?/

[d000hg]

They only got it because it can be linked to climate benefits.

[OwlHoot]

Commercial blue LEDs came out a good 20 years or more ago didn't they?

The Nobel prize committee certainly don't like committing themselves prematurely.

[barrydidit]

Those little lego police cars would look great with one of them on top. Top inventing

[zeitghost]

BBC News - Invention of blue LEDs receives physics Nobel

Try, try & try again.



You can get ultraviolet leds now.

LUXEON UV Ultraviolet LEDs | Philips Lumileds Lighting Company

380nm.

Who'd have thunk it?

X ray leds next.