Museum of Science
Region: US
Saturday 10 January 2026 17:22:46 GMT
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Justin82954 :
And to think blue LEDs almost never existed and were really really difficult to figure out
2026-01-10 18:16:08
4230
youdontneedtoknow 🧿 :
can you tell me why the LED lights suck so much energy from us as humans vs the incandescent bulbs lol
2026-01-11 16:20:21
2
Amastercuber :
What if you chill a blue LED
2026-01-11 05:23:02
763
Fortello :
for a second I was worried the liquid nitrogen would get into the wiring and mess with it. and then I remembered what liquid nitrogen is: nitrogen
2026-01-10 18:37:53
1456
greebo :
“So one time at band gap…”
2026-01-12 19:03:35
90
Gray eyes :
Interesting that it takes more energy! I would have guessed it took less, due to better conductivity, allowing a greater flow from less resistance, making the wavelength shorter (higher energy).
2026-01-10 21:22:42
53
Authorio :
Would cooling violet LED emitting ultraviolet? Would cooling ultraviolet LED emitting X-ray?
2026-02-01 00:45:32
5
WillyWizard :
So is this shrinking the anode and cathode contacts, therefore changing the distance the electronics have to jump? Then that would change the color?
2026-01-12 06:06:35
3
Trin :
me with colour vision issues thats the same colour
2026-01-15 06:58:06
4
Lord of all Karen's. :
Can you make blue Led?
2026-01-10 18:59:20
18
Mehnaceᵛᵗ :
that green light is giving me flashbacks of the old xbox
2026-01-11 13:30:49
28
Kisosen :
Would it go blue then indigo if you could get it cooler?
2026-01-12 00:49:45
3
Average Ty :
"You can see it goes from orange to yellow to green." hahaha no, I'm colorblind.
2026-01-11 02:48:28
287
ilikebikez :
Epic
2026-01-12 03:27:42
6
classicalphotog :
but at ln2 (77K) the distance of the gap gets smaller.
2026-01-11 02:29:45
6
jess :
AND WHAT SORCERY IS THIS?!
2026-01-13 12:16:51
4
Green fella :
Orange is the new green
2026-01-11 08:10:39
10
fin :
is this not curies law
2026-01-13 02:52:53
1
crisscrossing Science :
Nice demonstration
2026-02-12 21:39:26
4
stupidweirdtexts :
Very interesting
2026-04-07 03:36:37
3
MichaelK7X3 :
😅 And I love your nails they have the same color change 💅
2026-03-05 08:57:08
3
Aki Too 𓆩⟡𓆪 :
How does this relate to green lasers being especially dangerous when pointed at someone? Is it because more energy is needed which results in damage to the eye because of that strength?
2026-01-18 15:53:18
4
Samuel :
this is basically plasma creation
2026-02-12 21:33:50
3
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