Product designer Marieke Staps has an ingenious way of harnessing power from the hidden energy conducive metals like zinc, copper, iron and microbial fuel cells contained within soils.The fuel cells (often called the earth batteries) convert the electrolytes in the soil into usable energy.
Marieke Strap's soil lamp uses conductive plates made from copper and zinc buried within the soil to provide constant light for an LED bulb. The Soil Lamp takes pride in its simplicity and innovation, baring all in a transparent bulbous base.
The implications of creating energy from soil are promising - as a free and abundant resource -dirt is accessable to almost everyone in the world, apart from desert or urban jungle dwellers. Due to its naturally occurring conductivity, soil is easily converted into energy that will last far beyond the lifetime of an incandescent bulb, so long and its properly watered.The Soil Lamp is simple and innovative, with maintenance as simple as watering a plant - just feed it a splash of water every now and then to keep the energy flowing.
In places like London which seemingly has more rainfall than sunshine, the Soil Lamp may be a winner in the sustainable garden light stakes, beating the sun-powered options. If designed on a more large scale, perhaps even street lights and other electrical requiring objects could start using this technology?
In places like London which seemingly has more rainfall than sunshine, the Soil Lamp may be a winner in the sustainable garden light stakes, beating the sun-powered options. If designed on a more large scale, perhaps even street lights and other electrical requiring objects could start using this technology? 
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