Date: Thu, 28 Aug 2003 13:11:32 -0400

Author: Clarence Bennett

Subject: Re: Dropping lead shot?

Post:

At 10:48 -0600 8/28/03, Zigmund J. Peacock wrote:
>Karl, I started using copper shot a few years back for demo use.
> I assume there are less hazards associated with copper, am I right?
> Zig


A possible problem is that more of the work will be lost as sound if
the copper is less malleable than lead.

Copper "work hardens" .
You may need to anneal it sometime.

>
>Karl Trappe wrote:
>
>> We used to do this in our Physical Science course, but lead shot (or
>> lead anything)is a OSHA problem. I suspect you can get similar
>> results with steel shot. Generally, shot is a slip and fall hazard
>> for your lab if the students have their way...--
>
>Zigmund J. Peacock WWW.physics.utah.edu/people/staff/peacock.html
>University of Utah/Physics peacock@physics.utah.edu
>115 SOUTH 1400 EAST #201 Tel 801 581 6602
>SALT LAKE CITY UT 84112-0830 Fax 801 581 4801
>
> "We sleep safely in our beds because rough men stand ready in
>the night to do violence to those who would do us harm"
> -- George Orwell
>
> "All that is necessary for the triumph of evil is that good
>men do nothing!"
> -- Edmund Burke


--



Clarence Bennett
Oakland University Physics
Rochester, Michigan
248 370 3419
248 377 4048
From trappe@physics.utexas.edu Thu Aug 28 13:10:57 2003
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