From: David C. Finster <dfinster**At_Symbol_Here**wittenberg.edu>
Subject: Re: [DCHAS-L] Liquid methane experiment in class
Date: Thu, 9 Apr 2015 15:27:12 +0000
Reply-To: DCHAS-L <DCHAS-L**At_Symbol_Here**MED.CORNELL.EDU>
Message-ID: 7AB8F8BFE46C5446902F26C10EBF4AEA729311F3**At_Symbol_Here**Mailbox1.wittenberg.edu
In-Reply-To <273BC16C-4B04-43E6-B8AA-06199123C235**At_Symbol_Here**dchas.org>


....If I were the principal in this school I would fire the teacher immediately.

Dave

David C. Finster
Professor, Department of Chemistry
University Chemical Hygiene Officer
Wittenberg University
937-327-6441
http://userpages.wittenberg.edu/dfinster/index.html

-----Original Message-----
From: DCHAS-L Discussion List [mailto:dchas-l**At_Symbol_Here**MED.CORNELL.EDU] On Behalf Of Secretary, ACS Division of Chemical Health and Safety
Sent: Thursday, April 09, 2015 10:18 AM
To: DCHAS-L**At_Symbol_Here**MED.CORNELL.EDU
Subject: [DCHAS-L] Liquid methane experiment in class

I think DCHAS members may want to be aware of this in case they have people who like to emulate Internet videos in the organization...

http://www.msn.com/en-us/video/wonder/liquid-methane-experiment-in-class/vi-AAaBJYz

This teacher leaves his students treating the floor like lava while leaving them in awe and he shows them what a little bit of liquid methane will do when lit on fire and poured onto the floor. Perhaps there's an opportunity to develop a Job Hazard Analysis of this demonstration...

- Ralph

Ralph Stuart
secretary**At_Symbol_Here**dchas.org
Secretary
Division of Chemical Health and Safety
American Chemical Society

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