From the very same innovative designer that brought us the soil-powered LED lamp comes a clock that also runs on dirt. Marieke Staps’ soil clock has copper and zinc electrodes that plug into the soil. Inhabitat explains that “The soil functions as an electrolyte, or conductive medium through which an electrical charge can flow. The [...]
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In some African countries, like Rwanda, bananas are plentiful – and so are their discarded peels. But one thing that’s not plentiful is affordable fuel for cooking, lighting and heating. Researchers at Nottingham University have found a way to use the resources that are available by turning rotten banana peels into briquettes that would not [...]
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