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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Call Technofrolics in Cambridge, MA, I think they do some cool stuff 
with ferrofluids.
Beryl

Becky Matthews wrote:
> ISEN-ASTC-L is a service of the Association of Science-Technology Centers
> Incorporated, a worldwide network of science museums and related institutions.
> *****************************************************************************
>
> Does anyone know what liquid is in the unextruded soda bottles along
> with ferrofluid in the "ferrofluid display cells?" These are available
> at Educational Innovations for $38.50 each.  We need a number of them
> for a new program.  Smaller glass vials are available for $20 each, but
> we do not want to use glass.
>
> Thanks,
> Becky
>
> Becky Fox Matthews
> Senior Educator/Special Projects Manager
> Adventure Science Center
> 800 Ft. Negley Blvd.
> Nashville, TN 37203
> voice: 615-401-5073
>
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-- 
Beryl Rosenthal, Ph.D.
Director
Tsongas Industrial History Center
Boott Cotton Mills
115 John Street
Lowell, MA 01854
(978) 970-5081 (t)
(978) 970-5085 (f)
[log in to unmask]
www.uml.edu/tsongas/index2.htm
A joint program of UMASS Lowell's 
Graduate School of Education and 
Lowell National Historical Park

***********************************************************************
For information about the Association of Science-Technology Centers and the Informal Science Education Network please visit www.astc.org.

Check out the latest case studies and reviews on ExhibitFiles at www.exhibitfiles.org.

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