Date: Thu Oct 16 11:09:37 2008

Author: Dale E. Stille

Subject: Re: faults in a crystal

Post:

Steve,

It looks like the whole 1Q50 section has got problems. I will look into it.

Dale

Steve Wonnell wrote:
> Hi all:
>
> I found "faults in a crystal" at 1Q50.265 in the
> http://physicslearning.colorado.edu/pira.asp,
> right in the middle of gyroscopes. This must be
> misnumbered, right? Surely it should be something
> like 1R50.40...
>
> I'm trying to decide whether it's worth purchasing
> the B.B. board sold by Educational Innovations.
> Does it really work, to show vacancies, dislocations,
> grain boundaries, and so on, I wonder?
>
> Baltimore Steve
>