Soil Lamp

We previously reported on the Mud Clock that runs off electricity generated by soil. The Soil Lamp, designed by Design Academy Eindhoven student Marieke Staps and recently exhibited during Milan Design Week 2008, is another electricity-producing soil innovation whereby the metallic strips of zinc and the minerals and organisms in damp soil chemically react with one another to initiate a constant electrical current that lights up an LED. Perhaps an entire earthen house can run all the appliances within using this technology.

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