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Informal Science Education Network <[log in to unmask]>
Date:
Mon, 17 Dec 2007 14:29:43 -0500
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Informal Science Education Network <[log in to unmask]>
Subject:
Re: overhead projectors
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Eric Siegel <[log in to unmask]>
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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.
*****************************************************************************

Well, it seems to me that an overhead projector is about 500 bucks  
and a video camera + projector is more like $1,500.  Is there an  
advantage to the camera/projector approach?

Eric Siegel
esiegel at nyscience dot org



On Dec 17, 2007, at 12:21 PM, Paul Orselli wrote:

> ISEN-ASTC-L is a service of the Association of Science-Technology  
> Centers
> Incorporated, a worldwide network of science museums and related  
> institutions.
> ********************************************************************** 
> *******
>
> Hi Eric,
>
> I've used various types of overhead projectors years ago in  
> exhibitions to let kids project moire patterns, for example.
>
> However, there is a tradeoff between having to use timers, extra  
> cooling fans for unit heat, and ultimately, bulb life.
>
> Given those concerns, is there any reason for you not to use a  
> video camera + projection setup?  Any ambient light issues related  
> to overhead projection would be similar to those with video  
> projection.
>
>
>
> On Dec 17, 2007, at Monday, Dec 17     12:05 PM, Eric Siegel wrote,  
> in part:
>
>> We are checking out overhead projectors for a project we are  
>> working on.  Are there issues with letting kids have access to  
>> these in an exhibition setting? (heat, etc?)
>
>
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> ********************************************************************** 
> *
> For information about the Association of Science-Technology Centers  
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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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