Supercooling

supercooled water to -21C / -6F and pour it our into a bowl. It pours out as a liquid and turns to slush, forming ropelike peaks.
rhettnyedotorgsays...

this comment program is gay it takes me back a page when i use the backspace, unless my mouse is over the typing box.

what i was gonna say before i got backspaced by lame design was:

i don't understand how this supercooled water trick works. how come when i put a bottle of water in my -10 C freezer it turns to ice instead of supercooled water? does the water have to be distilled perhaps? please inform me! cool vid!

dagsays...

Comment hidden because you are ignoring dag.(show it anyway)

Are you outing our commenting system as homosexual? Are you sure it was ready to come out - perhaps you should have let it contact its parents first.

WRT your concern though. Try this, go to Google.com click anywhere outside the query box so that it is not selected and hit the backspace key.

Google is so gay.

(WTF - is VideoSift becoming Digg? Dawkins help us.)

supersaiyan93says...

i wouldn't agree with the above in saying the commenting system is gay, but i don't like the way it looks at me. And it sure has personal space issues.

[ontopic]how do you supercool water like that? I imagine the results of this experiment would be super cool (all possible pun allowable by law intended) in zero gravity.

Oatmealsays...

It's easy, just freeze any water with relatively low solute concentration. Nestle PureLife works well. Tap water will not work (well, at least not Vancouver tap water. Make sure there are no air bubbles clinging to the bottle inside the water.

Oh, and with respect to the comment system... It's made a pass at me a couple of times, and I agree, it has absolutely no respect for personal boundaries.

rhettnyedotorgsays...

my bad i was having a blonde moment. somehow the mouse must have moved out and clicked without me realizing it as i can't duplicate the error so anything's possible (shadow people?) ALSO: i'm sorry comment system for questioning your sexuality. big huge avatars aside, i don't think you're truly homosexual but was using gay in a way that is the opposite of the old usage 'happy'. kinda like, "Whoa that brand new 83 camaro is BAD!!!" (bad as in good) My 'gay' call was misdirected obviously it was my fault. again, sorry comment system. (nice avatars though FAG)

on topic: low solute ie. distilled water, answers my question. so if i put a bottle of nestle still life water in my freezer it doesn't freeze into a block as long as i don't agitate it?

digg < videosift

Chaucersays...

1) you have to have pure water or something with really low contaminants.
2) cool it to the above -21C
3) be very careful with it. If that person where to shake it or drop the bottle, the water would freeze inside the bottle.
4) pour it out.

Believe it or not, water wants to stay a liquid. Hence, if you take water that has no contaminants, you can heat it to very high temperatures without it boiling (which is why you never, ever microwave distilled water) or freeze it to very low temperatures without it freezing solid. But as soon as you add a contaminants, such as sugar or bubbles, the water is forced to go into a different state (gas or solid).

aaronfrsays...

chaucer -

according to wikipedia:

In fact, superheating of plain tap water, for instance in the microwave, is just as great a danger as when heating distilled water. In the popular Discovery Channel show Mythbusters, an experiment was conducted where distilled water was placed in a microwave oven for several minutes long enough to boil, but no convection (boiling bubbles) took place.[citation needed] When a contaminant (a sugar cube) was added to the superheated water, it had an explosive effect. However, this effect also occurs with normal tap water, as microscopic impurities (especially those which carry air bubbles) are needed for boiling to start.The dissolved impurities in tap water are not enough to inhibit the superheating.


so, really, you probably just shouldn't microwave water at all.

Poposays...

You can reproduce something like this if you put a vodka cooler in the freezer until very cold( I tried with Rev, a kind of energy drink with 7% vodka), it stays liquid due to the alcohol, but if you pour it over an ice cube it instantly turns to slush.
I believe that the crystalline formation in the ice cube forces the water to line-up and form ice crystals.
Anyway, it's a neat party trick.

Spoon_Gougesays...

I've always found that a high pressure is needed to keep the water from freezing. I used to do this with soda. You can stick it in the freezer for about an hour and when you open it the soda will begin to freeze from the top down.

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