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I believe COSI had one as part of the traveling exhibition, Square Wheels.
Beryl
>ISEN-ASTC-L is a service of the Association of Science-Technology Centers
>Incorporated, a worldwide network of science museums and related institutions.
>*****************************************************************************
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>Jay-
>
>The Museum of Life and Science in Durham, NC has just such an exhibit in
>their "Small Science" exhibit. As I recall, they have 4 or 5 liquids of
>different viscosity.
>
>Find them on the web at http://www.ncmls.org
>
>Good luck,
>
>Robert D. Powell
>Director of School Partnerships
>St. Louis Science Center
>ph: (314) 286-4696
>fax: (314) 535-0104
>e-mail: [log in to unmask]
>
>
>
>
> Jay
>Higgins
> <higgins@CHILDRENMUSEU To:
>[log in to unmask]
> M.ORG>
>cc:
> Sent by: Informal Subject:
>Exhibit ? Air Bubbles Through
>Oil
> Science
>Education
>
>Network
>
><[log in to unmask]
>
>.LSOFT.COM>
>
>
>
>
> 08/29/05 10:57
>AM
> Please respond
>to
>
>higgins
>
>
>
>
>
>
>ISEN-ASTC-L is a service of the Association of Science-Technology Centers
>Incorporated, a worldwide network of science museums and related
>institutions.
>*****************************************************************************
>
>
>Hi, We've been playing with an art piece for an exhibit where air
>bubbles form at the bottom of a tube and float up through the clear oil.
> I can't remember where else we've seen this, but we love the effect.
>
>After playing with some small amounts of food grade lubricating oil
>we've started looking for large amounts. The trick is finding a clear
>oil in different viscosities that won't break the bank. Does any one
>have experience with mineral oil or silicon oil? Can anyone recommend
>a retailer?
>
>Thanks,
>Jay
>
>--
>Jay Higgins
>Program/Exhibit Developer
>Providence Children's Museum
>100 South Street
>Providence, RI 02903
>401.273.5437 x137
>http://www.childrenmuseum.org
>Come play, come learn!
>
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--
Beryl Rosenthal, Ph.D.
Director of Exhibitions and Public Programs
MIT Museum
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Cambridge, MA 02139
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