This utility model relates to a pen which can write on the plane with stereovision effect, consisting of a pen point, a pen core and a pen tube.

本实用新型涉及在平面上书写出具有立体视觉效果字的笔，由笔尖、笔芯和笔管三部份组成。

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BioMedicines of Emeryville, Calif. is testing its Omega interferon with a Duros pump, a titanium device that looks like the ink tube of a Bic pen.

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When the rubber sack makes contact with an object, whether a glass, a pen, or other hard item, a narrow inner tube sucks a small percentage of air out of the sack, making it contract and conform to the shape of the object it touches.

FORBES: Welcome, with a Nod to Robotics