Date: Wed, 07 Mar 2012 13:03:10

Author: --- "Dale E. Stille"

Subject: Re: Centripetal puzzle

Post:

Luke,

I have a couple of the smaller versions of the puzzle you describe but
haven't seen any on the market for a couple of years. The nearest to it
I know of is # PUZ-120 from Educational Innovations. www.teachersource.com

Dale

On 3/7/2012 12:22 PM, Luke Donforth wrote:
> Hello all,
>
> I was looking to buy a couple of centripetal puzzles where you spin them
> to get the balls to go to opposite ends
>
> (number 4 at http://calpoly.edu/~phys/physdemo/mech/cen_for/cen_for.html)
>
> I could make some, but I know these are commercially available, and I
> didnít want to iteratively design the optimal curve. Anyone got a source
> for these?
>
> Thanks
>
> Luke Donforth, Ph.D.
>
> Staff Scientist
>
> CT Science Center
>
> 250 Columbus Blvd.
>
> Hartford, CT 06103
>
> 860-520-2122
>



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