[ale] OT - Simple machines

[Joe]

"James P. Kinney III" <jkinney at localnetsolutions.com> writes:

> Rock tumblers are great. They can turn the most ordinary chunk road
> gravel into a sparkling thing of beauty.

I'm hoping so. We started the first batch on Jan 10, after we
returned home from Savannah. Each grit change has improved my
hopes; the first grind revealed some pretty cool hidden
coloration. We should be ready to unload this batch just in
time for my daughter's birthday this weekend.

>  Check with any local college
> that has a geology department. They will happily take you and your
> little girl on a grand tour of their labs and the big rock toys. They
> can also point you to one of several touring gem and mineral shows. They
> are big fun! You can pick up everything from a nugget of South American
> copper, to a meteorite and shale with fossils. Some of the single
> crystal minerals like pyrite can be really large and impressive (think a
> cube of fools gold 2+ inches on a side!). She will thank you later :)

Thanks for the idea. UT/El Paso has a good geology department, I
think. We'll check it out.

Cheers,

-- Joe Knapka
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