Wednesday, November 07, 2007

Non-Newtonian Fluids




We're playing with them again today. Several times a year, it seems, the boys ask me to whip some up.

If you're not familiar, check out this YouTube video.


It's a simple suspension of corn starch and water that changes back and forth from a liquid to a solid. You can pick it up like a ball, but then it goes gooey and drips like a liquid.