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Balancing forks without a cork
There are many sites showing how to balance 2 forks using a coin or cork, but only a couple showing this method of balancing 2 forks on the tip of a toothpick. See if you can do it. It requires a steady hand & teaches a little about center of gravity. We first saw this in a restaurant. The waitress entertained us with it. Sometime later, I set one up in another restaurant on a ledge & walked off & left it. It will stay for hours if no one touches it. If I was a gambling person, I could probably make some serious dough with it.
you think this is a fake or want to see other variations of it, search
for "balancing forks -tuning".
http://www.things2make.com/ Has a nice video, but still too easy
http://rpenalozan.bizhat.com/ This has a video of the variation using a coin. You need to click on the link "Balancing forks" . It is 7.5 MB so give it time to download. You can right click the link & save it first & then Open.
http://www.tamu-commerce.edu/physics/351/cg/forks.doc Some interesting variations using corks, styrofoam or potato & balancing on a string or the edge of a table.
http://www.engr.uconn.edu/~abboud/forks.html Try this: Holding the shaker instead of putting it on a countertop.
Note that many of these sites are about science & physics. Look at the other links & home pages for some interesting similarities. Good for teaching your kids.
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