A number of people complain about NASA not being able to clean it's solar
panels on the Mars rovers. While I think NASA messes up a lot, there are
things that just plain hard to solve no matter who you are.

To all those who say it would be easy for NASA to clean it's solar panels may
I suggest the following experiment. Find one used laser toner cartridge, it
will still have some toner inside. Now dump it's contents on a flat surface
like a desk or table and spread contents over the flat surface.

Using a hand broom or a vacumm in blow mode get rid of the extra loose dust.
What is left is what NASA needs to get rid off.

Now try cleaning that surface, if you succeed what was the *TOTAL* mass of
the supplies used? This means not only any fluids you used but also the
container, all dust colths, all paper towels - EVERYTHING USED to the
cleaning. Now how mauch extra to do the same cleaning again and again and
again? Adds up doesn't it?

Earl Colby Pottinger

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