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Polarizing filters with bifringent plastic films could be fun with an
overhead.  I know scotch tape and clear mylar are both bifringent.  The
mylar would give you cool colors with out being sticky.  Or maybe you might
want to have visitors add small pieces of tape to a surface and watch it
change. 

Mike




Mike Levad
Lead Exhibit Developer
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www.splitrockstudios.com


On 1/27/09 8:56 AM, "Jeff Courtman" <[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.
> *****************************************************************************
> 
> Ian - I'll take that as a compliment!
> 
> A quick Google for digital noise reduction turned up this:
> 
> http://tinyurl.com/at6od6
> 
> about 2K, another 1.8K for amp.  I did find a plug in module made by
> TOA - less than a hundred dollars, but didn't delve into it to figure
> out if its convertible.....
> 
> I wasn't discounting the use of musik, only the ambient sound issue.
> Having said that, just stay away from stuff that is so short that the
> sheer repetitiveness will drive staff and volunteers - and some
> visitors, like me, nuts!
> 
> Would be an interesting thing to test, too, wouldn't it?  What
> percentage of visitors a) noticed the music and b)found that it
> impacted their experience.....
> 
> 
> 
> 
> 
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