The Energy Generated from A Single Orange: A Citric Acid Battery by Caleb Charland



The Energy Generated from A Single Orange: A Citric Acid Battery by Caleb Charland 1

This orange battery was built by photographer Caleb Charland (previously) as part of his ongoing alternative energy photographs using fruit, vegetables, and other objects to create light for his long-exposure photographs. The electricity powering the lightbulb inside the orange is generated through a chemical reaction between citric acid and the zinc nails inserted into each wedge. I think this is by far the most lovely piece he’s done in the series, but before you start work on a bunch of orange lights to keep on the nightstand, the light generated was so dim this particular photograph required a 14 hour exposure. Update: Now available as a limited edition print!

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