Cornstarch and Water
Those of you without kids know how annoying it can be to talk to those of us with kids. You know that friend who calls you at 7:30 in the morning to say "You'll never guess what happened!" Uh, you won the lottery? "Our Little Timmy learned to drink from a sippy cup!" Silence. "A SIPPY CUP!"
I get it, and I try not to bore those of you who are kidless. And so while the following is marketed as an experiment for kids, trust me when I say it's much cooler for adults.
Put some cornstarch in a bowl. Add water to it and mix until the mixture resembles Elmer's white glue. Then stick your hands in. Sound boring?
The mixture you made is a liquid if you move your hand slowly through it, or just let it flow in the bowl. But move your hand faster, and it turns into a solid. Pick up a piece of it (as a solid) and watch it drip back into the bowl as a liquid.
Really really cool stuff. Here's a site with a bit more detail. Try it someday, whether you have kids or not.
I get it, and I try not to bore those of you who are kidless. And so while the following is marketed as an experiment for kids, trust me when I say it's much cooler for adults.
Put some cornstarch in a bowl. Add water to it and mix until the mixture resembles Elmer's white glue. Then stick your hands in. Sound boring?
The mixture you made is a liquid if you move your hand slowly through it, or just let it flow in the bowl. But move your hand faster, and it turns into a solid. Pick up a piece of it (as a solid) and watch it drip back into the bowl as a liquid.
Really really cool stuff. Here's a site with a bit more detail. Try it someday, whether you have kids or not.
posted by Eric at 11:05 AM
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