Message-Id: <3.0.32.19990302173951.007b8540@netmail.home.com>
Date: Tue, 02 Mar 1999 17:39:52 -0700
To: pinhole@exploratorium.edu
From: The Lahrs <JohnJan@lahr.org>
Subject: Re: Electricity through vegetables
I remember this being discussed at the Teacher Institute
summer program two or three years ago. Does anyone remember
where the glow comes from?
Thanks,
John
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>References: <25CE1DD1C61@babbage.tquest.org.uk>
>Date: Tue, 2 Mar 1999 13:28:01 -0700
>Reply-To: mscharf@planet.eon.net
>Sender: ISEN-ASTC-L <ISEN-ASTC-L@HOME.EASE.LSOFT.COM>
>From: Max Scharfenberger <mscharf@planet.eon.net>
>Organization: ES&SC
>Subject: Re: Electricity through vegetables
>To: ISEN-ASTC-L@HOME.EASE.LSOFT.COM
>
>ISEN-ASTC-L is a service of the Association of Science-Technology Centers
>Incorporated, a worldwide network of science museums and related
institutions.
>*****************************************************************************
>
>Hi Wendy:
>
>We have done the experiment in the past with some great success. We hard
wired
>the two forks to a two prong extension cord and insulated the ends of the
forks.
>We then put the forks and the pickle in a clear pyrex cooking dish so the
>audience could see it.
>
>For safety reasons we plug the cord into a power bar which can be switched
on an
>off and we use that as the switch. We also make sure that there is no one
within
>5 feet of the pickle while it is being charged.
>
>Max Scharfenbeger
>Educational Services Manager
>Edmonton Space & Science Centre
>mscharf@planet.eon.net
>
>Wendy Sadler wrote:
>
>> ISEN-ASTC-L is a service of the Association of Science-Technology Centers
>> Incorporated, a worldwide network of science museums and related
institutions.
>>
*****************************************************************************
>>
>> I want to do the demo in our science theatre where electricity is passed
>> through a gherkin or similar pickle to produce a glow similar to sodium
>> streetlamps.
>>
>> Does anyone have any hints or tips on how to get the best effect from this
>> without electrocuting any of the presenters! (ie how to do it most safely
>> and effieciently)
>>
>> Thanks
>> --------------------------
>> Wendy Sadler
>> Public Programmes Manager
>> Techniquest
>> Stuart Street
>> Cardiff CF1 6BW
>>
>> Telephone: +44 (0) 1222 475 475
>> Fax: +44 (0) 1222 482 517
>> Web: http://www.tquest.org.uk/
>>
>> Techniquest is a Company Limited by Guarantee,
>> registered in England & Wales, no. 1955696.
>> It is registered as a Charity, no. 517722.
>>
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