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Re:Simple Vanilla Liquid Nitrogen Ice Cream by timcederman on Monday November 02, 2009 @10:12AM (#916909)
I got to try this last week at our company Halloween party and the ice cream that came out was pretty amazing (very creamy).

Also, it's really fun pouring liquid nitrogen into a bowl with a mixer and ice cream batter.

Re:Simple Vanilla Liquid Nitrogen Ice Cream by tibbon on Monday November 02, 2009 @08:54AM (#916762)
Jeff Potter did this at Barcamp Boston 2009 and it was pretty cool. Also tasty!
Re:Simple Vanilla Liquid Nitrogen Ice Cream by chanux on Monday November 02, 2009 @09:29AM (#916824)
Having a scoop of liquid N was one of "Hundred Things to do before you die" items.

The book is from NewScientist. http://www.amazon.com/100-Things-Before-Plus-Afterwards/dp/1...

Re:Simple Vanilla Liquid Nitrogen Ice Cream by furyg3 on Monday November 02, 2009 @09:55AM (#916877)
I think this is how they make those "dippin' dots" ice cream (which i love oh so much).

My guess would be that you would have to drizzle the (pretty watery) mixture into a pool of liquid N. I guess it would just burn off after a while and you'd have a nice treat.

Hmm... maybe I'll give it a try this weekend.

Re:Simple Vanilla Liquid Nitrogen Ice Cream by arvinjoar on Monday November 02, 2009 @11:19AM (#917060)
We did this at my elementary school when I was a kid! (My teacher's husband was some kind of a scientist who had access to liquid N)
Re:Simple Vanilla Liquid Nitrogen Ice Cream by arram on Monday November 02, 2009 @12:51PM (#917346)
It turns out LN2 is cheap and easy to get, but a Dewar flask costs around $400. I haven't been able to find a place to rent one.
Re:Simple Vanilla Liquid Nitrogen Ice Cream by Asmodeus on Monday November 02, 2009 @05:57PM (#918154)
Ask for a thermos instead of a Dewar Flask. They're the exact same technology, but the term 'Dewar Flask' implies a much higher grade.

Remember not to seal the thing airtight unless you're trying to build a bomb.

Re:Simple Vanilla Liquid Nitrogen Ice Cream by bh23ha on Monday November 02, 2009 @09:25AM (#916814)
Re:Simple Vanilla Liquid Nitrogen Ice Cream by ryandvm on Monday November 02, 2009 @09:17AM (#916796)
Liquid N is a little difficult to come by. I need a dry ice recipe...