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A school in Samambaia, a city next to Brasília, is testing a controversial sensor in the uniform to control the student attendance.
Pedro V
Pedro V May 08, 2013
A school in Samambaia, a city next to Brasília, is testing a controversial sensor in the uniform to control the student attendance.

I've seen these sensors...

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Similar Photos: Inverted Umbrella An intelligent traffic light by using piezoelectric sensors The map I've added is from Nike and the orange streaks are where runners, with Nike+ shoes with sensors or Nike+ GPS apps, run in our city.

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