This clever little mud-powered LED light was created by Marieke Staps and is named, quite simply, the Soil Lamp. It features mud-filled cells made of copper and zinc, which conduct electricity produced in the wet soil to the LED.
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Friday, 14 November 2008
This clever little mud-powered LED light was created by Marieke Staps and is named, quite simply, the Soil Lamp. It features mud-filled cells made of copper and zinc, which conduct electricity produced in the wet soil to the LED. |
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