Date: Wed, 07 Mar 2012 13:03:10
Author: --- "Dale E. Stille"
Subject: Re: Centripetal puzzle
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
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?
> Luke Donforth, Ph.D.
> Staff Scientist
> CT Science Center
> 250 Columbus Blvd.
> Hartford, CT 06103