Thursday, March 27, 2008

non-Newtonian Liquid: Fun to use! Easy to make!

I found a video on youtube and honestly I had never heard of non-Newtonian fluids. I am sure that I one of the few people who never experienced making it in a high school chemistry class. We made ice cream, drop eggs from roofs, and even blew up a miniature of the Hindenburg, but never made this fun liquid. I actually find it really interesting, the fact that with enough of it you can walk and jump on it, but if you stopped moving you sink. So I decided to find out how to make it, but first I wanted to really understand what it is.
A non-Newtonian Fluid is a fluid in which the viscosity changes with the applied strain rate. As a result, non-Newtonian fluids may not have a well-defined viscosity. So if you suddenly poked this fluid it would react more like a solid. On the other hand if you slowly slid your finger through, it will react as a liquid. However if you were to jerk it out it would begin acting like a solid again. See it's really cool.
This is what you need to make it.

  1. Corn Starch (About as much water as you are using)
  2. Water
  3. Some type of Container, I suggest a bath tub for the most fun. Just remember cleaning it up may not be easy.
  4. Stirring rod (or anything to stir with)

How to make it? Simply poor some water in to the corn starch and stir it. You want about equal amounts of both. Finally, I know long process huh, stir it. Your done. When you make some be sure and post about your experience with this. I especially would like to see someone fill their tub with it. So let me know.

Here the video! Looks fun, right?



-RIGHTTTT

Just Do It!

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