Smartphone-Experiment: Roll (en)
Channel: phyphox
Date: 2016-09-11

This experiment is no longer available on iOS: http://phyphox.org/faq/#faqAppleBan

Remotely track the speed of a paper roll with your smartphone's gyroscope.

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You can also watch a German version of this video: https://youtu.be/gqxBT3R0fw8

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