Nov 12, 2015
Extreme Close-Up Video Shows How Ballpoint Pens Work
See what happens when the tip of this ballpoint pen hits the paper.
Channels: INFORMATIVE
Tags: · close up, high-speed, macro, slow motion
See what happens when the tip of this ballpoint pen hits the paper.
Channels: INFORMATIVE
Tags: · close up, high-speed, macro, slow motion
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