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Michael Flynn in Ann Arbor is building ferrofluid exhibits that are very nice.  Not sure about whether the scale would work for you, but you should be able find them quickly with a google search.

e

On Aug 10, 2011, at 1:48 PM, William Trammell wrote:

> ISEN-ASTC-L is a service of the Association of Science-Technology Centers
> Incorporated, a worldwide network of science museums and related institutions.
> *****************************************************************************
> 
> Isabel:
> Try www.NISEnet.org and see if they have anything that might work.
> Bill
> 
> -----Original Message-----
> From: Informal Science Education Network
> [mailto:[log in to unmask]]On Behalf Of Isabel Van Dyke
> Sent: Wednesday, August 10, 2011 12:53 PM
> To: [log in to unmask]
> Subject: Large-scale ferrofluid demos
> 
> 
> ISEN-ASTC-L is a service of the Association of Science-Technology Centers
> Incorporated, a worldwide network of science museums and related
> institutions.
> ****************************************************************************
> *
> 
> Hi all,
> 
> Have any of you used ferrofluid in a large format, specifically for a live
> science show? A colleague of mine is developing a nano-themed show and would
> like something snazzy, and ferrofluid definitely has the wow-factor that we
> want. All we have, though, is the ferrofluid test tube from the NanoDays kit
> -- cool up close, but not really practical for a show. If someone out there
> has made something bigger (visible from up to 25-30 feet away), we'd love to
> hear about it. Specs for buying or building the set-up would be much
> appreciated!
> 
> Thanks,
> Isabel
> --
> Isabel Van Dyke
> Programs Coordinator
> ScienceWorks Hands-On Museum
> Ashland, OR
> [log in to unmask]
> 
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> 
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