Quicksand - Wikipedia, the free encyclopedia
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Quicksand is a colloid hydrogel consisting of fine granular matter (such as sand or silt), clay, and salt water. In the name, as in that of quicksilver (mercury), "quick" does not mean "fast," but "l...
en.wikipedia.org/wiki/Quicksand
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You may have enjoyed watching many bad guys in Westerns getting sucked into a bottomless pit of desert quicksand. Sorry to disappoint you but, "I don't see how that's possible," ... The sand can't support a person's weight, and what occurs is called thixotropy [THIX-O-tro-pee]--a solid substance that liquefies under force.
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findarticles.com/p/articles/mi_m1590/is_5_57/ai_6762964...
findarticles.com/p/articles/mi_m1590/is_5_57/ai_67629648/
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Thixotropy occurs in paint, such as lithopone in oil, which flows freely when stirred and reverts to a gel-like state on standing. Quicksand, a mixture of sand and water, is rendered thixotropic by the presence of certain clays.
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dictionary.reference.com/browse/thixotropy
dictionary.reference.com/browse/thixotropy
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The reason the quicksand acts that way is because it is a thixotropy. It refers to a gel-like substance that becomes more fluid or less firm as it is ...
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library.thinkquest.org/J001658/quicksandst.html
library.thinkquest.org/J001658/quicksandst.html
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of the quicksand, it would be impossible for a human or animal to completely sink in the quicksand, though natural hazards ... Thixotropy is the property of certain gels or fluids that are thick under normal conditions, but flow over time when shaken, agitated, or otherwise stressed.In more technical language:...
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www.absoluteastronomy.com/topics/Quicksand
www.absoluteastronomy.com/topics/Quicksand
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Once something falls in and begins thrashing around, putting stress on the quicksand, it becomes more liquid. In addition to being of concern to people who happen to fall into pits of quicksand, thixotropy is a property which can be utilized in a number of interesting ways.
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www.wisegeek.com/what-is-thixotropy.htm
www.wisegeek.com/what-is-thixotropy.htm
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Countless movies and television shows depict quicksand as some kind of living creature that sucks its victims down into a bottomless pit, never to be heard from again. Well, you can't believe everything Hollywood tells you. ... How many times have you watched a movie where the hero is sucked down into a pit of quicksand,
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www.howstuffworks.com/quicksand.htm
www.howstuffworks.com/quicksand.htm
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Thixotropy is the opposite of isotropy in that the fluid mixture becomes more fluid (less firm) as it is agitated. An example of this is where you strike the end of a ketchup bottle to get ketchup to come out of the bottle. ... Another example is the infamous "quicksand". If you thrash around in the quicksand,
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www.fatlion.com/science/isotropy.html
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This property of turning into a liquid on disturbance is called thixotropy. Not only quicksand, but many other substances too exhibit this property. An example of this is water saturated landfills, which become liquid due to the disturbance caused by earthquakes.
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www.wisedude.com/science_engineering/quicksand.htm
www.wisedude.com/science_engineering/quicksand.htm
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