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Children's factual show. Nina investigates how mobile phones work with the help of Belle, her hearing neuron. Engineers Kaitlyn and Reo visit Nina in her workshop.

Nina investigates how mobile phones work with the help of Belle, her hearing neuron. Engineers Kaitlyn and Reo visit Nina in her workshop and discover that mobile phones work by using signals.

First shown: 4:30pm 8 Mar 2013
Available for 13 days Duration 15 mins