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For cooling a cpu or gpu for massive overclocking, which would be better? Liquid nitrogren or dry ice?
 

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Damn, what happens exactly if you get liquid nitrogen on your finger? It freezes and brake? I know the safety procedures but I just want to know the extent of the "damage" lol.
 
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Quote:

Originally Posted by Emmanuel View Post
Damn, what happens exactly if you get liquid nitrogen on your finger? It freezes and brake? I know the safety procedures but I just want to know the extent of the "damage" lol.
It really, really hurts. I've had it applied to my toe to freeze a wart. You will curse many many times! However it won't break because the heat from the rest of the adjacent tissue will flow into the newly cold area.
You will get a blister of sorts too, from the cells dying.
 
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Discussion Starter #7
What if you buy a lot of it then push your friend into a bathtub full of the stuff, can you break him?
 

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Originally Posted by binormalkilla View Post
It really, really hurts. I've had it applied to my toe to freeze a wart. You will curse many many times! However it won't break because the heat from the rest of the adjacent tissue will flow into the newly cold area.
You will get a blister of sorts too, from the cells dying.
Yup, only the surface gets damaged... unless you hold your hand in a bucket of it...
 

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It really, really hurts. I've had it applied to my toe to freeze a wart. You will curse many many times! However it won't break because the heat from the rest of the adjacent tissue will flow into the newly cold area.
You will get a blister of sorts too, from the cells dying.
Lol, I know other treatments for wart than nitrogen, I'm about to sig that lol, a FAQ about how overclockers treat warts lol.

And ya, if you push someone in a bathub filled with LN2, he is going to die, because of the horribly cold temperature, his death will be almost instantaneous, but good luck finding enough quantity of it and pushing him in before it completly evaporates.
 

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Originally Posted by Emmanuel View Post
Lol, I know other treatments for wart than nitrogen, I'm about to sig that lol, a FAQ on how overclockers treat warts lol.

And ya, if you push someone in a bathub filled with LN2, he is going to die, because of the horribly cold temperature, his death will be almost instantaneous, but good luck finding enough quantity of it and pushing him in before it completly evaporates.
Death won't be almost instantaneous. Cooling 180lb of 100F still takes time.
 

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He can die of an heart attack, it's a huge shock for the body to be subjected to that much difference of temperature, especially that low, and at this temperature, you cannot breath. He would die before even knowing it because of an heart attack, that's for sure.
And you mentioned pushing a friend, thank god I don't even know you lol.
 

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Originally Posted by Emmanuel View Post
He can die of an heart attack, it's a huge shock for the body to be subjected to that much difference of temperature, especially that low, and at this temperature, you cannot breath. He would die before even knowing it because of an heart attack, that's for sure.
And you mentioned pushing a friend, thank god I don't even know you lol.
He cant breathe? What do you mean?
 

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Originally Posted by Emmanuel View Post
Damn, what happens exactly if you get liquid nitrogen on your finger? It freezes and brake? I know the safety procedures but I just want to know the extent of the "damage" lol.
Just from my experience with working with LIN in the Air Force (fire supression systems and hot brakes), you won't break like in T2. The human body is 80% fluid, so when it freezes it become hard like a rock, and not fragile and cracking. With minimal contact with LIN you can get 2nd and 3rd degree burns. With prolonged contact or heavy splashing, you will get frost bite and can loose that area that is affected. The LIN we use is -297°F boiling point.
 

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Originally Posted by RickJS View Post
He cant breathe? What do you mean?
The shock of the cold pushes the air out of your lungs and you can't recover your breath. Think of titanic except 300 degrees colder. lol
 

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Ya, the guy was talking about pushing his friend in a bathtub filled with LN2, that is major splashing. And I don't know if you've ever been around temperatures of -40c, well if you did, I'm sure you notice it's hard to breath, well, imagine going a few hundreds of farenheits even lower...
Waupli very clearly explained my point.
 

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Quote:

Originally Posted by Emmanuel View Post
Damn, what happens exactly if you get liquid nitrogen on your finger? It freezes and brake? I know the safety procedures but I just want to know the extent of the "damage" lol.

Quote:

Originally Posted by binormalkilla
It really, really hurts. I've had it applied to my toe to freeze a wart. You will curse many many times! However it won't break because the heat from the rest of the adjacent tissue will flow into the newly cold area.
You will get a blister of sorts too, from the cells dying.
I agree with binormalkilla, but if you don't feel like doing that but experiencing something similar but less painful, I suggest you hold some Dry Ice in your hand for no more than 30 seconds!! By the way the more you do it the more you get use to it! But seriously don't do it unless you really feel the need to do it!

I love my drinks with Dry Ice!!!


Heres a pic of some Liquid Nitrogen on a hand!
http://img181.imageshack.us/img181/7307/ln2eu0.jpg
 

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Quote:

Originally Posted by Emmanuel View Post
Damn, what happens exactly if you get liquid nitrogen on your finger? It freezes and brake? I know the safety procedures but I just want to know the extent of the "damage" lol.
actually if you spill a little on your skin it will form a vapor barrier and not harm you

if you put your finger in some thats another story , a few seconds and I guess it would crack and fall off
 

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Quote:

Originally Posted by Emmanuel View Post
Ya, the guy was talking about pushing his friend in a bathtub filled with LN2, that is major splashing. And I don't know if you've ever been around temperatures of -40c, well if you did, I'm sure you notice it's hard to breath, well, imagine going a few hundreds of farenheits even lower...
Waupli very clearly explained my point.
more like -180c and you couldnt keep it in a bathtub

oh I see that your saying -40 as an example
 

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Quote:

Originally Posted by binormalkilla View Post
It really, really hurts. I've had it applied to my toe to freeze a wart. You will curse many many times! However it won't break because the heat from the rest of the adjacent tissue will flow into the newly cold area.
You will get a blister of sorts too, from the cells dying.
It hurts like hell. Getting a wart frozen off sucks. I've had it done several times when i was younger.
First it burns.
Then it throbs with pain for hours.
Later it still hurts but not as bad.
Then it forms a giant blister, sometimes like a bubble.

It's not fun. And that's with a doctor applying it, god forbid you spill a larger quantity on yourself.
 
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