Image for The pen that spots mistakes as you write

The pen that spots mistakes as you write

Duration: 02:43

A pen that vibrates when it detects its owner making a mistake is to undergo testing in schools.

The Lernstift or "learning pen", does not require ink or special paper to work and uses an internal gyroscope to work out what is being written.

BBC Click's Dan Simmons reports.

Available since: Thu 27 Mar 2014

This clip is from

Click 22/03/2014 GMT

This week we have an educational special.

First broadcast: 22 Mar 2014

Image for 22/03/2014 GMT

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