You've probably seen the classic fruit battery science experiment a thousand times, but I doubt you've ever seen it turned into an art project! Photographer Caleb Charland uses everyday objects like apples, coins and vinegar to create makeshift batteries, then takes these gorgeous long exposure photos.
For the apple tree photo, Charland got about 5 volts for every 10 apples, so he had to wire 300 apples to power the lamp for several hours. He used a zinc-coated galvanized nail and copper wire to create the current, along with a radio and makeshift shaker to keep the deer away during the 4-hour exposure.
So how does it work, anyway? The nail and copper wire conduct the current through the electrolytes in the fruit. The zinc from the nails reacts with the acid in the apples, and the electrons flow through the light, into the copper, then back into the fruit.
You can watch the video below to see some of the process and visit Charland's blog for more of his work.
Want to try it for yourself? Check out one of our tutorials and learn how to make a battery out of pennies, lemons or vinegar.
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