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Hi Adam,

I think the notion of 3-D reconstruction from thin section assembly is the most interesting frankly.  The business of noticing and observing the interaction of different materials with light is also interesting, but after the ghee whiz things tend to get abstract.  All of it involves some really cool instruments and tools and the process of figuring out a 3 dimensional shape from sections a widely employed bonus.  It seems like something that could be made with an Easy Vu scope but might be more cheaply done with a video system.

C

> Hi Adam,
> 
> I think the notion of 3-D reconstruction from thin section assembly is the most interesting frankly.  The business of noticing and observing the interaction of different materials with light is also interesting, but after the ghee whiz things tend to get abstract.  All of it involves some really cool instruments and tools and the process of figuring out a 3 dimensional shape from sections a widely employed bonus.  It seems like something that could be made with an Easy Vu scope but might be more cheaply done with a video system.
> 
> C
> On Feb 7, 2013, at 9:05 AM, "Blankenbicker, Adam" <[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.
>> *****************************************************************************
>> 
>> Hello--
>> 
>> I am writing to ask if anyone has thoughts or suggestions on purchasing a petrographic microscope for museum education in public space.  This would be for visitors to observe rock thin sections and observe how light travels through rocks.
>> 
>> We are ideally looking for a model one that has:
>> * crossed-polars (obviously)
>> * rotating stage
>>               * up to 40x magnification
>>               * a mechanism on the stage to hold and move the slide around
>>               * and is compatible with a video camera hookup so that visitors can view, in real time, what is under the lens on a TV screen/computer monitor.  Nothing fancy that takes stacks multiple images, or does 3D modeling, like some expensive models.
>> 
>> Thanks!
>> -Adam-
>> 
>> 
>> Adam Blankenbicker
>> Education Specialist - Geology
>> Smithsonian Institution
>> National Museum of Natural History
>> Office of Education & Outreach
> 

The opinions and thoughts expressed here are my own and should in no way be construed or attributed to the Exploratorium or related organization, and do not represent an institutional position.
Charles Carlson
http://blogs.exploratorium.edu/whyintercept/
Twitter: @charliec53
email: [log in to unmask] 
Tel:   415-528-4319
Fax:  415-885-6011














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