Orange LED in liquid nitrogen

[pikachize]

Trentmoller <3

[TheAntiKaon]

where can i buy me some liquid nitrogen?

[CognitiveNetwork]

@TheAntiKaon that stuff will kill you instantly.

[mfsflyer1]

very cool

[bilimcicantay]

OMG Color changing led O_o

[bbk012345]

I have a massive nerd boner right now...

[PEREZCHOOCH]

Very cool

[DrTeeHSea]

2 people thought the LED was going to explode.

[ThaAwsomeDude]

portal



[Mryourface1997]

it turned yellow that was freaking awsome

[DrPlum]

and the purpose is to .......

[TheGodParticle]

very mellow

[worvtube]

cool :)  Overclocking a LED :)

[deadlyhydra]

@worvtube that comment made me laugh xD

[slava1000000]

superconductivity

[SuperMario3321]

My cooling it that much you could possibly have shattered the casing of the LED and then your vat of liquid nitrogen would either evaporate really really really fast or just get really cold

[lehmejoun]

it looks like a magic energy thats about to explode, mortal kombat!

[PuppeteersArePuppets]

Anyway...what's the song on this video please?

[THEHUGE8BALL]

WTF at the start my friend was like (MY NAME) PUT THE LIGHT IN THE LN xD

[gocountry1391]

beautiful

[hellzone100]

Wow ??? .... after seeing this....

What does 2 magnetic fluids at super cool temperatures do when they spin in opposite directions?....

Ever heard of liquid hydrogen ? ... Im learning quickly about defeating laws of physics.

[Andrewterrorist]

that looks.....SO COOL OMG IT TURNED GREEN!!

[McShoelin]

Reminds me of cores on Portal 2

[Kachongui]

alchemy

[akkudakkupl]

you basicaly changed the cristalic build of the junction by cooling it...

[1hellblader]

that's just epic



[wa4cdm]

Did you increase the voltage to see what would happen. Greater output, change in color again? Just curious!

[GameORgo]

to those of you who thought this looks like a nuclear reactor.....

nuclear reactors give off blue light NOT GREEN!

[p3rs0n42]

@GameORgo O.o nuclear reactors don't really give off any light... if they did, it would be orangey yellow, since they'd be generating shitloads of heat...

Did you ever listen to anything in science?

[matrollings]

@p3rs0n42 nuclear reactors submerged in water give off blue light because of the cherenkov radiation.

[GameORgo]

@p3rs0n42 I studied Nuclear Engineering, its called Cherenkov radiation, and it is a blue light given off by the interaction of high speed charged particles in a dielectric medium.

[HybOj]

@GameORgo AHam, soo... it means that frequency of orange light gets somewhat shifted (to green) because of what? :D Temperature of nitrogen, or some electric atribute of nitrogen? And is the shift in frequency positive or negative? I would guess its negative, frequency gets lower, or? :.)

[p3rs0n42]

@GameORgo Then what I've been told in science was a load of rubbish... possibly explains why I recently found out I failed my Physics A-Level...

[sciencoking]

Oh wow, never thought of this! Great experiment, I have to try this with a few colors (well. I need liquid nitrogen first.)

[davidrobert2007]

Man that is cool (no pun intended lol)

[1337frog]

so.... pretty...



[Stoettax]

does the led works after that?

[mathscirocks]

@Stoettax i've seen other videos of the same thing and when it is taken out it changes back to it's original color and seems to work just fine.

[IamTheJesusGuy]

where did u get the liquid nitrogen?

[PHSexperience]

Kim Jong Il thought it was uranium... but who is the second dislike?

[domirimba]

@PHSexperience Kim Jong I?

[PHSexperience]

@domirimba Kim Jong-il*

[domirimba]

@PHSexperience Haha, I thought "II" was roman for 2, so it would be a funny answer to your question who the second dislike would be. Kim Jong the first ;)

[yutubeguest44444]

mwould like. there has to be more than 1 dislike

[Ps3GoldenMetleChsmp]

Orange and cold make green who knew

[SzymonSmaga]

An Uranium 235 nuclear reactor at home! Wow!

[stalkersas]

i wonder how many volts can a led survive... when in liquid nitrogen XD

[misium]

@stalkersas I suppose it is fed with a voltage controlled power source, so I the voltage does't change much (it will change a little due to lowering of resistance of the cables, reducing the voltage drop over the cables). The current has likely changed due to change in resistance in the led itself.

[olsonjacob1]

I had to be the first person to dislike...sorry

[VBH8888]

LEDs are very reliable and strong.

[IntoxicatedHumans]

@VBH8888 Yeah, that's what I thought too. I mean, Liquid Nitrogen is damn cold.

[MrFungiver]

wow, dude, trippy....

[tvoice1]

so is it now permanently green?

[nikolaidrostdov]

Imagine having that installed into your walls at home. Man, I want the future to come soon!

[Poodleinacan]

@nikolaidrostdov When you will respond to me or read my message, it will be the future of the time at when I wrote this message.

[nikolaidrostdov]

@Poodleinacan Nope. I don't have an LED submerged into liquid nitrogen in my wall at home, thus it is not the future.

[Poodleinacan]

@nikolaidrostdov The future!!!!

[nikolaidrostdov]

@Poodleinacan To the future!

[Poodleinacan]

@nikolaidrostdov ...And BEYOND!!!!

[nikolaidrostdov]

@Poodleinacan You made me laugh on my birthday. You are from here on by my favourite best friend and you are also carrying my child.

Now, hasten to the future, my love!

[whYLiE09]

hah, so THATS what happens.

[rienflake]

by decreasing the temperature of the LED the internal resistance is theoretically lowered as its acting as a super conductor via its negative temperature coefficient pn junctions encounter, so you should also be able to run ridiculously high currents threw the LED without destroying it by simply raising the voltage of course producing a significant increase in light

[kyzelf1]

@rienflake I am not good at science but I understood what u said O_O

[aqcd]

@rienflake actually for semiconductors the resistance increases with increasing temperature. The decreased temperature will cause variations in its bandgap creating the different light emmited.

[bristo7]

@aqcd yes led nerds spot on! I feels educated

[BlueDragen25]

@rienflake The fuck im not as intelligent as you

[PuppeteersArePuppets]

@BlueDragen25 He's not smart. He's just a really good illusionist and you just happen to be even less astute than he is.

[PuppeteersArePuppets]

@rienflake You added "theoretically" just to make the sentence sound longer. If it's theoretical it means it's purely conceptual. If you know more voltage can be applied due to less heat resistance it is an applicable and demonstrable fact, not a theory. Basically all you said was that cold things can have higher currents running through them. No shit. Voltage produces heat, cold removes that heat, less heat makes Jack a dull boy, it's no different than overclocked water-cooled computers.

[PuppeteersArePuppets]

@rienflake Also, voltage IS based off of electric current. You said a whole lot of nothing that sounded like something and it really irritates me. "so you should also be able to run ridiculously high currents threw the LED without destroying it by simply raising the voltage". Voltage = unit of electric current. Raising the voltage IS raising the current, and anyone who was actually smart would know that. "You should be able to raise the current by raising the current." Pseudointellectual.

[ketchupfreeman]

it turned the color of his will.

[AwsomeSauseForMe]

@TheOriginalEviltech the led is in a vacuum therefore it is unaffected by the outside temp.

[3lem3ntZ]

@AwsomeSauseForMe that would be true if it wasnt connected to anything that IS touching the nitrogen. so, your wrong.

[TheOxNarutoXo]

Lol, It looks like the Biohazard handgun at Spiral Knights XD

[TheOriginalEviltech]

Have you tried it with other leds? How did the crystal to metal bond survive the cold?!?!

[Blackdisco80]

It's beautiful

[ableite]

whaaaaaaaaaaaaat? gotta try this

[MattTrevett]

Very zen.

[MrDrTruffles]

your a wizard harry!

[iownudie108]

i got thursty by watching this =P

[Filmer1eX]

I like how not only it changes color but actually becomes a lot brighter. Notice how after a couple of seconds it lights up the whole opening :p

[gnamp]

I expected to see a lot more sublimation. This must have been shot somewhere very cold.

[DoubleM55]

Lol, dude, rename this video to "Uranium 235 nuclear reactor at home"... You'll be surprised how many dumbasses would think it's true :)

[sincaster]

@DoubleM55 thats funny dude, i did something similar on facebook, i posted that in order to get my 2 year old to behave i had to give it nyquil untill it was 5 then i switched it to xanax and i'll be damned if the fucking child services didn't show up at my house.......... i dont have any fukkin kids

[DestroyTheseWalls]

@DoubleM55 what? its not a reactor then??

[kathodenstrahl45]

@DoubleM55 lol chernobyl xD

[clarionzoo]

Pretty cool.

[1992jamo]

Is that pink floyd in the background? 

[Bramsky]

it's like some kind of scifi device

[KaylaRequiem]

@Bramsky DO NOT LOOK INTO THE OPERATIONAL END OF THE DEVICE!!

[HybOj]

@Bramsky I think, in fact, it IS sci fi :) LED and home liquid nitrogen was a scifi 10 years ago, maybe 20 I dunno :)

[Bramsky]

@HybOj liquid nitrogen is still a bit scifi leds are in existance since the 70s so these are already low tech :-p

[HybOj]

@Bramsky haha at least I was 50% right :) Thanks for comment and info, didnt knew about LEDs being around for so long

[cheetawolf]

... or you coudl buy a green LED, but thats not the point. i didnt know this!

[LizzardHimself]

Yeah, Trentemøller!

[Ideeem]

@LizzardHimself Take me into your skin is the best he ever composed right?

[VanguardDragon]

@Ideeem Which one is used in this video if I may ask?

[VanguardDragon]

@LizzardHimself Thanks man you just saved me a lot of hurt not being able to find out who this wonderful music was by

[LizzardHimself]

@VanguardDragon Your welcome. :)

To make it easier to find: The exact track is "Trentemøller - Snowflake" from his uplifting album "The Last Resort".

[VanguardDragon]

@LizzardHimself Ahhh thank you so much!

[Ideeem]

@LizzardHimself oh yeah you may be right, those 2 are similar at the very beginning.

[wingnut4427]

That's pretty cool ! I never would have expected the metal & the insulation on the wiring to stand up to that long enough to see such a result. Thanks for sharing ! :) Next time .. try it on a Chihuahua ! lol j/k

[Dark0Lord7]

@matrollings Actually, that's the doping of the LED changing color. For example, a white led turns blue when cooled because the phosphors(in this case yellow) become inactive in low temperature. With yellow led's the amber phosphors become inactive, making it green. Try it out with purple LED'S, it turns blue.

[mysock351W]

@Dark0Lord7 Theres no phosphors in most LEDs except for the white ones driven by blue diodes. The diode junction properties itself (ie the electron energy bands) determine the color output of the LED.

[yellowmetalcyborg]

Really neat!! Thanks for sharing.

[ponnu1984]

its so beautiful...

[danagol1985]

I wonder if all LED's that are dipped into liquid nitrogen will change colours to a higher energy level.

I mean if orange goes up two colous > yellow > green.

Would a green led go from green > blue > violet?

Interesting stuff!

[Firebirdharris]

@danagol1985 they don't, we had to do it as part of 2nd year physics degree. The orange one was great (well you can see an orange one above so.....) but the green one was pathetic, it just stayed green. We were investigating whether or not they could be used as pressure sensors, band gap energy is related to physical spacing of the atoms in the crystal, which is why temperature can do this, turns out you need 10s of GPa for it to work as a pressure sensor

[Dracula0000]

awesome!

[jsp1983]

If only science could be as creative in high school classrooms...!