How cool is this? Supercool!

by Anonymous on Jan. 08th, 2009

Check out these videos illustrating the really nifty phenomenon of supercooling. You can amaze your friends at home. Or just yourself. Essentially, what you do is place a bottle of water (or other liquid) in your freezer for about 3 hours (standing - not on its side) then remove it and agitate it with a quick shake or tapping it on a hard surface. You can also seed the process with a few ice or snow crystals. The last video is definitely the supercoolest.

Your Comments, Thoughts, Questions, Ideas

tao's picture
tao says:

i think that this is pretty interesting, im going to try it when i have time

posted on Thu, 01/08/2009 - 6:46pm
ayah.osman's picture
ayah.osman says:

I'm really thirsty now.

posted on Thu, 01/08/2009 - 6:53pm
Anonymous's picture
Anonymous says:

HOW DOES IT WORK? ahh! soo cool! i want to try it at home, but what really makes it work huh?

posted on Thu, 01/08/2009 - 6:54pm
RussD's picture
RussD says:

Water normally freezes at 32 degrees F...but there is no reason why it has to if the liquid is perfectly clean. There has to be some gunk like dust, ice, or mineral grains or bubbles created in shaking in the liquid and it easily makes the phase change to ice. The ice has to nucleate on something... but once it starts, there is no stopping it. But if the water is clean, it just gets cooler and cooler. Cooler it gets though, the more unstable it becomes.

All of these liquids are clean and filtered....this would not work with unfiltered beer and would be hit and miss with tap water.

For added coolness in this experiment add a thermometer and you will see that the water will be cooler than freezing, but once the ice forms the temp will go UP to 32 degrees. Why? The latent heat stored in the water is released as the ice forms...warming it to 32 degrees exactly. Its just phase change thermodynamics and it is very cool.


posted on Sat, 01/10/2009 - 2:56pm
mdr's picture
mdr says:

Thanks Russ for the detailed explanation!

posted on Sat, 01/10/2009 - 5:55pm
samanthapha's picture

It's looks really cool, i would like to try that one day.
I like the last video, it was cool.

posted on Thu, 01/08/2009 - 6:58pm
Anonymous's picture
Anonymous says:

water freezes and unfreezes instantly? Awesome!!

posted on Sat, 01/31/2009 - 4:14pm
Candace's picture
Candace says:

that is so cool!

posted on Wed, 02/25/2009 - 10:50am
Pina colada's picture
Pina colada says:

the videos are really cool and freaky

posted on Sat, 03/14/2009 - 4:25pm

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