Growing up, to get into advanced classes in what is today middle school, I had to pedal to classes in summer school to learn math and physics and the metric system. Many years later I would use a "metric" camera, the Rolleimetric camera system in archaeology, for the EPA in the foundry that Jules Verne had build the cannon for his "Moon shot" in fiction from Florida, the West Point Foundry in Cold Spring, NY. Ni-Cad remediation, it was used in the recovery, in part of the Civil War "Swamp Angel". Those "reseau" marks or "crosses" one sees in many extra-terrestrial photos, are important in registering the photos on a digitizing tablet, then part of the method of obtaining 3D coordinates from photos. It seems odd that after all these years in the arts and sciences where metric measurements are used, i.e., 35mm, etc. that NASA would "press on regardless" with the Imperial system when those we inherited it from, and the US invented "the metric system" have also switched over to the metric system. I guess they argue with calculators and computers it's easy conversion, but wasn't one Mars lander lost only because of the confusion having traveled all the way there without fault? June 25, 2009 12:43 AM
Lunar Pioneer: NASA criticised for sticking to Imperial units
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