Re: pinhole TI show and tell

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From: Paul Doherty (pauld@exploratorium.edu)
Date: Wed Jun 23 2004 - 11:49:27 PDT 

Message-Id: <l0311070cbcff81218882@[192.168.112.30]>
Date: Wed, 23 Jun 2004 11:49:27 -0700
From: Paul Doherty <pauld@exploratorium.edu>
Subject: Re: pinhole TI show and tell

The first device looks like a cloud chamber.

The metal top plate is for the clearing field.

The top fiber pad is soaked in alcohol.

The bottom is cooled with liquid nitrogen.

Paul D

>Hey Folks,
>We have two inquiries into science equipment.
>Can you check out Anita's and Bill's stuff at:
>http://www.exploratorium.edu/ti/alumni/show_and_tell/
>-thanks
>--
>Eric Muller
>Exploratorium Teacher Institute
>Science Educator
>3601 Lyon St.
>San Francisco, CA 94123
>
>415-561-0386
>emuller@exploratorium.edu
>
>www.doscience.com
>
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