We have one here at McWane Science Center. I don't think our exhibits dept built it though. It may have been purchased from Hands On.
Kathy Fournier
Director of Science Education
McWane Science Center
200 19th Street North
Birmingham, AL 35209
205-714-8254
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-----Original Message-----
From: Informal Science Education Network [mailto:[log in to unmask]] On Behalf Of Chuck Howarth
Sent: Friday, May 02, 2008 2:39 PM
To: [log in to unmask]
Subject: Re: tennis ball launcher
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Hi, Kathy. I think Discovery Science Center in Santa Ana, CA, has
the exhibit you describe. There is another version of a tennis ball
launcher at the California Science Center's Big Lab, available from
Creative Machines in Tucson.
Chuck Howarth
Gyroscope has moved! Please note our new address:
Gyroscope, Inc.
283 Fourth Street, Suite 201
Oakland, CA 94607
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510-986-0111On May 2, 2008, at 12:18 PM, Kathy Krafft wrote:
> Hi all--
>
> Somewhere, long ago, one of our wonderful volunteers saw a neat
> exhibit where a small diameter pipe is connected near the bottom of
> a large diameter pipe. A bowling ball drops down the large pipe,
> compressing the air inside it; this causes the tennis ball resting
> on the smaller diameter tube to shoot way up in the air. He'd like
> to build one for our outdoor Science Park area.
>
> Our early experiments have not been very successful. Any hints or
> suggestions as to someone who has done this successfully would be
> most appreciated!
>
> Kathy Krafft
> Exhibit Projects Director
> Sciencenter
> Ithaca, NY
> 607-272-0600 x25
>
>
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