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Subject:
Re: Ferrofluid display cells
From:
Paul Orselli <[log in to unmask]>
Reply To:
Informal Science Education Network <[log in to unmask]>
Date:
Tue, 7 Oct 2008 12:24:51 -0400
Content-Type:
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ISEN-ASTC-L is a service of the Association of Science-Technology Centers
Incorporated, a worldwide network of science museums and related institutions.
*****************************************************************************

Hi Becky,

Why not just substitute mineral oil and iron filings in small
containers for a similar effect?

Much cheaper and much safer materials as well.

Good luck!
--------------------------------------------------

Paul Orselli, President and Chief Instigator

Paul Orselli Workshop (POW!)
1684 Victoria Street
Baldwin, NY  11510

FREE museum exhibit design resources:
<http://www.orselli.net>

(516) 223-1043  voice
(516) 238-2797  mobile

Exhibit tips, tricks, and news at the ExhibiTricks blog!
<http://blog.orselli.net>



On Tue, Oct 7, 2008 at 12:21 PM, Becky Matthews
<[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.
> *****************************************************************************
>
> 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
>
> ***********************************************************************
> 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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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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