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Which is your favorite? #ballpointpen #highlight #gelpen #urday

House Unanimously Passes Bill To Shut Down Senator Payday Over Jan. 6 Probe Valerie Bertinelli apologizes on air to man she ...
YouTube on MSN

How A Ballpoint Pen Works Close Up #macro #asmr

Kate Gosselin budgets Christmas for 8 kids 'to the penny' after losing reality TV fortune New report reveals hidden home ...
IEEE

Implementing Machine Learning Methods for Ballpoint Pen Ink Classification based on Mass Spectrometry Data: Toward a Forensic Application

Abstract: Mass spectrometry (MS) is widely used for material analysis in various applications including forensic science. This work explores computational techniques and develops an application called ...
New Atlas

The Biro turns 80: How a simple pen rewrote everyday life

These pens go by many names around the world, but they're known mainly by two monikers. One is "ballpoint pen," which describes the principle behind it, and "biro," which is the name of the man who ...