August 28, 2009
OK, credit where it’s due: The Fisher Space Pen was one of those brilliant little byproducts of the American space program like Tang and cordless drills. With its pressurized ink cartridge that could write on any surface from any angle, it did for ballpoint pens what the iPhone did for cell phones. But that was [...]
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August 17, 2009
The World’s First Self-Sharpening Pencil The trouble with using a mechanical pencil is that the tip of the lead changes shape as you write, thickening from a fine point to a chisel edge. Words lose their crisp shape and lines get thicker, which is particularly problematic for engineers and others that need uniform lines. The [...]
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