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Make poor man's liquid nitrogen
Written By
bird crick
wonderhowto.com Views 335
Last edited last month
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Bill Beaty's at it again! Our favorite crackpot physicist presents a backyard solution to that emergency need for cryogenic fluid. Sometimes you can't wait to freeze daisies.

Recipe: dry ice, soda bottles, and rubbing alcohol. The alcohol does not freeze to solid state. Instead, the dry ice (frozen CO2) supercools the alcohol creating a bath that can freeze a flower in seconds.

Be careful: this stuff sticks. Bill describes this homebrew as cryogenic napalm. So, heed his warnings, or risk losing your finger(s). Also, don't eat the flower after you've bathed it. Frozen = inedible.

Make poor man's liquid nitrogen
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Comments

+3
NArieno 1 year ago
I would be wearing gloves my friend
-11
stewpedasho 11 months ago
You Sir, are an IDIOT. You didn't "freeze" anything. Except maybe your chance for any sort of career enhancement, based of the field of science. Did you even bother to review your video before posting it for the world to see what a moron you are ? That was a rhetorical question, dude.
+3
bird crick 10 months ago
stew,
can you expand on your comment? i'm not sure what angle you're coming from. It's not liquid nitrogen, but it does supercool the flower.

Thanks,
amie
-2
stewpedasho 10 months ago
Sure thing amie.

Note the repeated slamming of the flower or any other object he may have used in the video. (Note: I'm not going to review the video again before writing this reply -- and it's been a while since I wasted my time with it.) But if memory serves, the flower was supposed to be frozen BEFORE he slammed it on the table to shatter it -- but it clearly was NOT frozen, nor "Super Cooled" as you prefer to call it -- and therefore it did NOT shatter, and in fact it barely even broke apart. If his make-shift coolant does in fact work at all, he should have left the flower in the liquid until it was completely frozen -- and thereby making his demonstration worth the video, and worth the video storage space; WHEN the flower was actually ready to be, and in fact shattered. In closing; this was a pathetic excuse for a demonstration -- 1st = it was pretty much pointless, and 2nd = it was poorly conceived and poorly executed; which ='s MORON. He
should have reviewed his video before posting -- and in doing so, he should have been embarrassed enough by his performance to NOT post his product.

Clear enough ?
-1
bird crick 10 months ago
yes, thank you. i could definitely have used some more theatrics and longer saturation in the alcohol. i really like Bill Beaty's work though. He's the guy who did 'cavitation' That video is amazing and he checks out as a science fanatic / chem teacher. i can't argue this video is disappointing though. thanks for the answers.
-1
Devious Assassin 2 months ago
if u think you can do better i want to see a better product and better results in this exact category (makeshift coolers)
+1
Groundhog 5 months ago
What do u mean it didn't freeze?
+1
billyj 2 months ago
ah i think thats a bit harsh , i actually enjoyed the video
bill from videolearntutorials
+1
Devious Assassin 2 months ago
Can you be any more disrespectful, god ur the idiot. He Said it wasnt liquid nitrogen so it wont freeze as instantly or thoroughly and wont shatter as if it was (this is the reason this hasnt replaced Liquid Nitrogen) but it is effective to a degree and useful so SHUT UP!
+2
ryan77 10 months ago
Awesome
+1
robert rosca 10 months ago
i'm gona try this. is the rubbing alcohol conductive?
lol i'm gona try to make a computer cooling thingy, like the one using the olive oil.
+1
CynderR 10 months ago
i think its great!
+1
jbaflyer 9 months ago
what is the temperature of the alcohol after cooling??
+2
x-plosivsera 9 months ago
I don't know if with this procedure you can make liquid nitrogen, but the things that he "froze", where not at least cooled. Hitting the leaves and the flowers hard, will result in their destruction even if they are not frozen. If anyone has tried that, let me know.
+1
dave89 4 months ago
Very easy, simple and fun !
-1
sonneth 4 months ago
until what time can the home made liquid nitrogen work?
or can it still work even if it has already passed a day?
+1
ravenrhen 2 months ago
ahmm... wer can i get d summarize of dat?????????
+2
GhOsTID 2 months ago
First off i'm not going to verify all temps sorry. Dry ice is around -79c, Isopropyl's freezing point is around -90C I think SO when you put the alcohol and the ice together you can cool the alcohol solution to almost -79C, hence why it's not liquid nitrogen and it takes longer to freeze items than nitrogen would. The reason why you don't use 70% vs 99% is that the water in 70% attempts to freeze and that causes the alcohol solution to gel up. So it would work, but he gave good warnings. You can really hurt yourself with supercooled alcohol.
+1
rockr_mom4 2 months ago
I wonder if instead using rubbing alchohol ..could you use 100proof vodka?
+1
Jack_joe111 2 months ago
Hmm perfect for making icecream?
+1
EAtheSecond 2 months ago
77 Kevin, cool!
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