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Vibrating pen checks your spelling as you write

The Lernstift Linux smart pen on Kickstarter monitors your spelling as you write, vibrating when you make a mistake.

By Jul. 15, 2013

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Grammar police: Vibrating pen warns of handwriting mistakes

A specialized pen under development is designed to catch writing mistakes and vibrate as a warning. Could it revive the dying art of handwriting?

By Feb. 5, 2013