Hybrid Car – More Fun with Less Gas

Anyone interested in building cheap DIY parabolic troughs? - Page 6

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Posted by Morris Dovey on November 14, 2008, 3:12 pm

If you have even a passing interest in analytical geometry, you
shouldn't miss this gentleman's Gallery of animated algebraic surfaces at:


Nice work!

Morris Dovey
DeSoto Solar
DeSoto, Iowa USA

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