In pictures: Nokia and Carphone Warehouse showcase edible phone charger


Mobile phone companies Nokia and Carphone Warehouse created a phone charger made from potatoes and apples, in a creative stunt at Westfield shopping centre in Shepherd's Bush, London, last week (24 July).

Approximately 800 pieces of fruit and vegetables were strung together and connected with hundreds of galvanised nails and a copper wire. The zinc in the metal acted as electrodes to the electrolytes in the apples and potatoes, forming an electrical current.

The stunt was designed to wirelessly charge and showcase Nokia’s new Lumia 930 model via a charger mat. Microsoft, which recently bought the Nokia brand, commissioned scientific artist Caleb Charland to create the work entitled Back to Light.

Charland said: "I am so proud to be part of this great charging project. The utter simplicity of this electrical phenomenon has endlessly fascinated me. Many people have had the experience of drawing power from fruit in the classroom, and it never ceases to inspire the imagination of all ages.

"I have never worked with anything on this scale before, and it was a challenge. By creating this large organic charger to power a Lumia 930 device, this work speaks to a common curiosity we all have for how the world works, as well as a global concern for the future of Earth’s energy sources."

Thomas Messett, head of digital marketing and advocacy for Microsoft Europe, added: "Following the success of our lightning experiment that took place in 2013, we were keen to explore another way that we could harness natural energy and charge the brand new Lumia 930 device.

"We have an obligation to ensure we are always looking for new energy-efficient ways to improve the performance of our products and we’re proud to have done that with wireless charging on the Lumia 930 and some of our other Lumia products."

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