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Liquid Nitrogen Ice Cream

Originally posted by: Moralpanic
hm interesting... so there's nothing wrong in consuming liquid nitrogen like that?
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I think the liquid nitrogen turns into gas right after it freezes all the ingredients so there's no harm there.
 
Originally posted by: Moralpanic
hm interesting... so there's nothing wrong in consuming liquid nitrogen like that?
Click to expand...

Nitrogen makes up 71% of the atmosphere or so. (Been a while since High School Science) It's pretty inert, so as long as it doesn't freeze you then you're fine. 'cept maybe for some nitrogen burps.
 
ahha that's awesome!!!!!! as soon as liquid nitro is poured..it disapears..aha...chem prof poured it on my hand..i was like "WTF!! wat u doing to me!!" ..but as soon as the liquid hit my hand..it disapeared...turned into gas....of course he poured out a constant small amount.....

man..i should go jack some liquid nitro @ my school and try this...
 
If you're going to make more than a little, you may want to make sure there's adequate ventilation in the room. I've done some large batches before and definitely noticed the declining level of oxygen in the area.
 
Originally posted by: isaacmacdonald
turn a fresh flower into a thousand shards of broken glass
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wow. this guys an alchemist. how do you turn flowers into glass?
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Just about anything will shatter upon impact with a hard surface if it's frozen with LN.
 
Originally posted by: Schadenfroh
Originally posted by: WinkOsmosis
Originally posted by: isaacmacdonald
turn a fresh flower into a thousand shards of broken glass
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wow. this guys an alchemist. how do you turn flowers into glass?
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He's a witch!
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how do you know he is a whitch?
Does he float in water?
does he weigh as much as a duck?
is he made of wood?

???????
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Turned me into a newt!*

*I got better
 
Originally posted by: everman
Sounds good. New brand of ice cream in the future? or is the Liquid Nitrogen too costly? (what does it cost anyway?)
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LN = cheap as water. Seriously. The only thing is that the equipment you need in order to keep it liquid is rather expensive.

Oh, and:

So cold that if a drop falls on your hand, it feels like fire.
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I call BS on that. My chem prof splashed a little LN and LO (oxygen) on his hand. It evaporates just as it hits your skin.
 
Originally posted by: silverpig
Originally posted by: everman
Sounds good. New brand of ice cream in the future? or is the Liquid Nitrogen too costly? (what does it cost anyway?)
Click to expand...

LN = cheap as water. Seriously. The only thing is that the equipment you need in order to keep it liquid is rather expensive.

Oh, and:

So cold that if a drop falls on your hand, it feels like fire.
Click to expand...

I call BS on that. My chem prof splashed a little LN and LO (oxygen) on his hand. It evaporates just as it hits your skin.
Click to expand...

Perhaps he worded it wrong? I bet it would feel like fire if you dipped your finger into a vat of liquid nitrogen. Isn't Liquid Oxygen second only to Liquid Helium? Cold stuff 😎
 
Very cool stuff. I can get LN pretty easily (transporting it is the hard part).

Another cool thing you can do is liquify the propelant in aerosal cans, most notably shaving cream. You can cool off the cans, then cut them so there's an opening. Since the propelant is liquid nothing happens but as you allow the cans to warm the shaving cream will expand. A half dozen cans will fill a normal sized car.
 
I've eaten LN Ice Cream! They were having some science teacher convention at my High School (which I am graduating from tomorrow - woohoo) on a Saturday. And I was at school in the science wing of the school working on something with a few other kids. After they made the LN Ice Cream a physics teacher came and gave us all some. It tastes great. 🙂 Home made ice cream is the best.
 
The cool thing is that it's bound to be very light and not get frozen solid (well, provided you keep stirring it). This was in the C & E news a number of months ago as well. Coldest gas - Liquid Hydrogen, Liquid Nitrogen boils off quickly enough to create a blanket of gas, but it's still accomplishing heat transfer - so beware.
 
Rapid freezing with liquid nitrogen would result in smaller ice crystals which in turns leads to a higher quality product. Of course, the freeze thaw cycles that the product undergoes after initial freezing pretty much overwrites initial quality.
 
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