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Hello Kathy,
We did an oobleck run last year with a trough that was 1 foot deep and 8 feet in diameter. The distance across was about right for the folks who moved quickly. For those who hesitated, the large diameter meant that our rescue crew had to step in quickly or risk losing people. Don't do more than 1foot deep. Don't.
The math yields ~50 cubic feet, or a bit less than 2 cubic yards, which we achieved with 2000lbs--40 bags--of cornstarch.
Joe
Joe Hastings
Executive Director
Don Harrington Discovery Center
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On Jul 13, 2011, at 11:27 AM, "Fournier, Kathy" <[log in to unmask]> wrote:
> ISEN-ASTC-L is a service of the Association of Science-Technology Centers
> Incorporated, a worldwide network of science museums and related institutions.
> *****************************************************************************
>
> Hey everyone:
> We are planning on doing a large scale trough of oobleck for an outdoor event. Right now we are thing about a trough 2ft in width and 6 ft in length. Has anyone done this before? I have seen it on YouTube but that's all. Any idea on how deep the amount of oobleck should be for the best performance. We want visitors to be able to run across it and not sink in or go slow and sink in.
>
> Any suggestions? Success stories? Things not to do?
>
> Thanks, Kathy
>
> Kathy Fournier
> Associate Vice President of Education
> McWane Science Center
> 200 19th Street North
> Birmingham, AL 35203
> 205-714-8254
> [log in to unmask]
>
>
>
>
>
>
>
> -----Original Message-----
> From: Informal Science Education Network [mailto:[log in to unmask]] On Behalf Of Ralph Katz
> Sent: Tuesday, July 12, 2011 9:06 PM
> To: [log in to unmask]
> Subject: Re: Amateur Radio on International Space Station
>
> ISEN-ASTC-L is a service of the Association of Science-Technology Centers
> Incorporated, a worldwide network of science museums and related institutions.
> *****************************************************************************
>
> Anita,
>
> I was not involved but was a spectator at an ARISS (Amateur Radio on the
> International Space Station) ham radio contact at the Ann Arbor Hands On
> Museum on December 27, 2008. These events last 11 minutes, and
> typically take 3 years to set up. They require experienced radio
> operators with a sophisticated skill set and specific equipment that
> most hams will not have (such as, automated satellite-tracking
> antennas.) The people who did it here came up from Ohio and were just
> great.
>
> Regards,
>
> Ralph
>
> On 7/12/2011 12:13 PM, Sohus, Anita M (1850) wrote:
>> ISEN-ASTC-L is a service of the Association of Science-Technology Centers
>> Incorporated, a worldwide network of science museums and related institutions.
>> *****************************************************************************
>>
>> NASA cooperates with the Amateur Radio Relay League forAmateur Radio on
>> the International Space Station:
>> http://www.arrl.org/amateur-radio-on-the-international-space-station
>>
>> Anita Sohus
>> NASA/Jet Propulsion Laboratory
>> Pasadena, CA
>>
>> On 7/11/11 9:01 PM, "ISEN-ASTC-L automatic digest system"
>> <[log in to unmask]> wrote:
>>
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