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Sue

We have a FLIR IR camera that is part of a biochemistry  exhibition and under the wall behind where visitors stand in front of the camera we use lights like the lights airlines use to illuminate the path in airplanes.  So visitor are seeing a message "written" in heat by the small bulbs.

Martin
On Oct 14, 2010, at 4:35 PM, Sue Ann Heatherly 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 All,
> 
> 
> I'm working on a low cost "exhibit" (too strong a word) made of vinyl posters that show  images of astronomical objects. I want to hide small point sources of IR behind the posters so that people could detect them with an IR camera. (I work at a radio astronomy observatory -- we're trying to draw some analogies to radio astronomy)
> 
> Have played with christmas lights (painted black), and they work but I'm afraid of the heat. Would they damage the vinyl over an 8 hour day?
> 
> IR LEDs operate at near IR wavelengths and  I doubt they'll show up. These FLIR thermacams work in the mid IR range.
> 
> Any ideas?
> 
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__________________
__________________
Martin Weiss, PhD
Science Interpretation Consultant
mweiss at nyscience dot 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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