अंधेरा

Hand vs. Liquid Nitrogen and the Leidenfrost Effect

NurdRage
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I stick my hand (momentarily) directly into liquid nitrogen but don't suffer any injuries due to the Leidenfrost effect.

The Leidenfrost effect is the formation of a gas barrier between a hot surface and a boiling liquid if the temperature difference is great enough. This gas barrier greatly slows the heat transfer between the two and allows the liquid to last longer and consequently the hot surface to remain hot longer. This effect can be seen in a frying pan as it's being heated. At first the water quickly boils as it's dropped in but at a hot enough temperature the Leidenfrost effect takes over and makes the water skate around the surface lasting a very long time.

Liquid nitrogen vs. a room temperature object will also exhibit the effect preventing it from instantly freezing the object... such as my hand.

विज्ञान और तकनीक

 

10/07/2009

शेयर करें:

शेयर करें:

वीडियो डाउनलोड करें:

लिंक लोड हो रहा है.....

में जोड़े:

मेरी संगीतसूची
बाद में देखना
टिप्पणियाँ 3 026
BlueCube067
BlueCube067 6 दिन पहले
2:40 for the video
Andrea Riba
Andrea Riba 28 दिन पहले
If u were a true man u would have left the hand for at least 5 minutes. Like if u agree
danny brathly
danny brathly महीने पहले
This so cool
Afro Fluff
Afro Fluff महीने पहले
Thanks, Darth Vader
روان روان
روان روان 2 महीने पहले
هذا مينون
QuickStrike0065
QuickStrike0065 2 महीने पहले
Reported for misleading title. Idiot.
nahgam brdwil
nahgam brdwil 4 महीने पहले
هههههه
Sam Overall
Sam Overall 5 महीने पहले
When it gets wee wee hot
Xavi Chuvy
Xavi Chuvy 5 महीने पहले
Now do it with molten lead.
Londinium Armoury
Londinium Armoury 5 महीने पहले
Nice demo.
Malik Crawford
Malik Crawford 5 महीने पहले
Wtf
Stephen Plur
Stephen Plur 5 महीने पहले
In my high school our chemistry teacher gave us all cups full of liquid nitrogen one time and told us we could splash them at each other
Sam Isam
Sam Isam 6 महीने पहले
2019???
Spazik86
Spazik86 7 महीने पहले
It is actually more dangerous to wear low quality gloves while working with LN, because it can soak in and burn you...
Rächer Doof
Rächer Doof 7 महीने पहले
You are CRAZY !
ثامر الشهري
ثامر الشهري 7 महीने पहले
ما في سعودي سعودي حط لايك
Tim Gokie
Tim Gokie 8 महीने पहले
i will do this because a guy told me to and also said "i am an expert"
Leonard Nicholas
Leonard Nicholas 8 महीने पहले
Thanks for introducing the Leidenfrost effect before doing the experiment.
sniperdude62
sniperdude62 9 महीने पहले
stick ur dick in there
Bents Huang
Bents Huang 9 महीने पहले
How about freeze your hand and pour some boiling hot water on it ?
Maddie Grace
Maddie Grace 9 महीने पहले
I didn’t know Darth Vader was a science guru
Marcelo Picoli
Marcelo Picoli 9 महीने पहले
I would never call a video with almost 6.4M views (and counting) as "obsolete"!
Dite
Dite 11 महीने पहले
Are you a scp recorder staff or something xD
PlayPerfect
PlayPerfect 11 महीने पहले
This mad lad
nicole pilmer
nicole pilmer 11 महीने पहले
dude... your crazy... how did your hand not like...... WHA IM SO CONFUSED
Wellington S Firebrand
Wellington S Firebrand 11 महीने पहले
I tried this at home. Now they call me Hook...
Valentin Constantinescu
Valentin Constantinescu 11 महीने पहले
If You do this and You are right handed use your right hand for better youtube content. Next time you do this You will do IT wrong because you were right handed.
James gs
James gs 11 महीने पहले
All I wanted him to say is ”Candy Cane...are you there candy cane”?
Mobil conan Telefon
Mobil conan Telefon साल पहले
Leidenfrost Effect is spoken "La (like a in are) edanfrost Effect. Use international pronunciation!
Mobil conan Telefon
Mobil conan Telefon 11 महीने पहले
@Daniel Villalobos you may not know it, but abc is based on the Latin pronunciation. This is used by all European languages. only in English language the letters are pronounced differently. Many Englishmen and other English speaking people do not know this or ignore it. pronounce foreign words in spanish, french or any other languages except asian ​​and english and you will pronounce it correctly. even asians are doing it well. Mainy it is only an english thing.
Daniel Villalobos
Daniel Villalobos 11 महीने पहले
He is pronouncing it like all Americans do. People pronounce words differently in different places - it's a thing.
runningaway ____from home
runningaway ____from home साल पहले
Jesus christ
Bluejay Memelord
Bluejay Memelord साल पहले
Ouch
Control Pace
Control Pace साल पहले
You've have teached me well Master,
Rising Shadows
Rising Shadows साल पहले
I love this. I love that he doesn't go into a long winded introduction and explanation before starting. He just shows you and explains as he goes, instantly my favorite science channel on IN-vid
Dev Sangha
Dev Sangha साल पहले
Guy sounds like kylo ren!
Mike Rich
Mike Rich साल पहले
It’s quite dangerous. Liquid nitrogen can absorb all heat energy from your hands if you leave contained long enough.
force
force साल पहले
*I AM EXPERT*
Ben Pitcher
Ben Pitcher साल पहले
"I am a expert and I will put liquid nitrogen on my hand"
Parthib Banerjee
Parthib Banerjee साल पहले
Gola clear korun
alireza hudson
alireza hudson साल पहले
cooool
EternalSearcher
EternalSearcher साल पहले
I will buy all the liquid nitrogen I can buy and pour it all over myself! After watching this video I too am an expert now!
Zainab Harake
Zainab Harake साल पहले
2018?
Carlow Love
Carlow Love साल पहले
Wow that's cool I thought something was about to happened
Bog i Hrvati
Bog i Hrvati साल पहले
Im an Expert puts hand in liquid dies instantly
Baby Goose
Baby Goose साल पहले
Why do I feel like I’m being held for ransom?
DIAMOND GOMEZ
DIAMOND GOMEZ साल पहले
“Greetings fellow nerds”😂💀
The Golden Giraffe
The Golden Giraffe साल पहले
this is risky..
Tony 1Reach1
Tony 1Reach1 साल पहले
I didn't know Bane wore pink nail varnish
Mari o.
Mari o. साल पहले
2:45
joey93701
joey93701 साल पहले
LA Beast
NurdRage
NurdRage साल पहले
what's happening with LA beast now?
Sameer khan
Sameer khan साल पहले
feak hai
Michael Merritt
Michael Merritt साल पहले
I've seen this: in an recrystallization procedure during my organic chemistry lab, when I brought ethanol into a pipet some accidentally came out onto the hot plate. But instead of vaporizing it seemed to immediately bead up and run off the hot plate.
Shut Up Joseph
Shut Up Joseph साल पहले
He sounds more like kylo ren
Manga max
Manga max साल पहले
You sound like a comic book villain.
نور البصراوي
نور البصراوي साल पहले
Are you crazy
Zombie Orchid
Zombie Orchid साल पहले
i think its a robot \ 0.0/
Jbpadawan66 Gaming
Jbpadawan66 Gaming साल पहले
Kylo Ren Does Science
Cash Dynamo
Cash Dynamo साल पहले
Two words, Jason. X.
SpatialGuy
SpatialGuy साल पहले
Hmmm, Brave you are Cold Hand Luke, N 2 the Dark Side come you must.
piller tas666
piller tas666 साल पहले
Why does this guy sound like Kylo ren
Richard Longmore
Richard Longmore साल पहले
I'm defenatly going to try this. Mabe a couple of beers first just to steady the nerves
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