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Re: ATM between a parabola & a sphere: computation
Anthony Stillman wrote:
>
>
> The correct way to do this is to weigh the glass before and after figuring.
> I did just this one late November. Standing on my bathroom scale, I held a
> 10 inch diameter spherically profiled blank in my hands and took note of
> the weight. A few days later after visiting with family and friends and
> successfully figuring the blank into a paraboloid, I again stood on the
> scale with the blank in my hands. To my surprise the figuring process had
> actually added several pounds to the blank. I have no explanation for
> this, though I suspect some form of deposition process must have occurred.
> I hope, some November, to repeat this experiment and verify my results.
>
At last a test most of us can relate to. You can figure you mirror by
eating/drinking an appropriate amount of our favorite consumables.
--
Ken Lowther
Youngstown, Ohio
http://www.atmsite.org
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