The world's sharpest man-made object

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Okay, that looks like a rasberry and the last time I checked, rasberries are not sharp. But according to the American Institute of Physics, this is a field ion microscope image of a tungsten needle, the world's sharpest man-made object. So what are those little round ball-looking things? Those are individual atoms.

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August 22, 2006 - 6:50am
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