A pool filled with non-newtonian fluid

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They filled a pool with a mix of cornstarch and water made on a concrete mixer truck. It becomes a non-newtonian fluid. When stress is applied to the liquid it exhibits properties of a solid. Wikipedia: http://en.wikipedia.org/wiki/Non_Newtonian_fluid Recorded at Barcelona, Spain. TV Show: http://www.cuatro.com/microsites/el_hormiguero/cientifico.html

Channel: Howto & Style
Uploaded: November 10, 2006 at 12:45 pm
Author: alesis69

Length: 0:04:02
Rating: 4.64
Views: 3,211,560

Tags: non-newtonian newtonian fluid physics cornstarch water pool spain

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Video Comments:
Davidlockejr (Saturday 22nd of November 2008 11:40:24 AM)
NiNjA!
MovieRazor123 (Saturday 22nd of November 2008 06:47:25 AM)
look at 3:32 you spastic
Furyfighter08 (Saturday 22nd of November 2008 04:01:13 AM)
[?]
bernierinthazone (Friday 21st of November 2008 08:49:07 PM)
haha best comment ever
okidot (Friday 21st of November 2008 10:01:44 AM)
haha usually thats the case, but not here. read the description. Also, you can clearly see splashes at some points of the video.
WolfinstienLegend (Friday 21st of November 2008 07:51:24 AM)
wow you are clever i didnt understand a word of the description xD
sitech1234 (Thursday 20th of November 2008 05:52:07 PM)
okay weird, that was meant to reply to an older post! Paint is another non-newtonian fluid that is shear-thinning like ketchup. When you stick your paint brush in a bucket, you want it to be thinner, so you can mix it and actually get it on the brush. When you put the paint on the wall however, you want it to be thicker so it doesn't run.
sitech1234 (Thursday 20th of November 2008 05:49:19 PM)
Actually, ketchup IS non-newtonian, however in the opposite way to the cornstarch mix above. The cornstarch mix is 'shear-thickening', the faster the deformation you apply the thicker it will become (more viscous). That's why they have to move fast on it, otherwise it won't get thick enough and they will sink. Ketchup is shear-thinning, the greater force you apply to it, the thinner it gets. Try shaking a bottle really hard with ketchup in it, you'll notice that it suddenly sounds runny!
trapafunktion (Thursday 20th of November 2008 03:34:02 AM)
I WANT THAT POOL!!!
MovieRazor123 (Wednesday 19th of November 2008 06:41:52 PM)
you are the biggest idiot on the planet 1:49