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How Does A Ballpoint Pen Work? This Incredible Close Up Video Demonstrates

Surprisingly, this is so cool.
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Sometimes the simplest things can be the most beautiful. Case in point--the ball point pen. You've seen 'em. You've used 'em. But you've never really seen it in action like this. Here's an excellent (and even stylish) video that gives you an extreme close up on how these things get ink on paper.