Re: Practical demonstration of a half-life -Reply

[Mark Hanlon <MarkH@nch.edu.au>]

Joel,

I think the "egg timer" idea is great.  Sure my audience is older than 2nd
graders, but they aren't well educated, and there is a bit of a language
barrier to overcome as well.

Thanks,


Mark 
************************************************************************
The RADSAFE Frequently Asked Questions list, archives and subscription
information can be accessed at http://www.ehs.uiuc.edu/~rad/radsafe.html