Put the pedal to the metal

From the BBC, two Kenyan students invent a bicycle charger for mobile phones :

The two electrical engineering students from Nairobi University have been working on their own invention, which they are selling for 350 Kenyan shillings ($4.50) each, over the last few months during their university break.

Mr Katana explained it takes an hour of pedalling to fully charge a phone, about the same time it would if it were plugged into the mains electricity.

Yay for entrepreneurial spirit. Hat tip to the Roving Bandit.

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