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I have had students make these (the Dona Rathjen / Exploratorium version) for extra credit. Just be advised if you do so, that it requires a good deal of time to tune it properly. Give them extra-extra-credit if they do that right!
- Bill
On Mon, Jan 23, 2012 at 11:25 AM, Dan Burns <DBurns@lgsuhsd.org> wrote:
This is a good one, I like the camera angle. For instructions on how to make one, see Don Rathgen’s website:
http://www.exo.net/~donr/activities/
Scroll down to Pendulum Snake.
If you have more money than you do time, you can get one for $100 here:
http://www.scientificsonline.com/pendulum-wave.html
Dan
On 1/23/12 11:04 AM, "Bill Taylor" <billt4phys@gmail.com> wrote:
A great Pendulum wave video
http://www.youtube.com/watch?v=yVkdfJ9PkRQ
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