From the absolutely brilliant book reviewed on my blog, called Future-kind written by Dr Rob Phillips and published by #thames and hudson The book is a manual and manifesto an inspiration and a call to arms. It features sixty innovative socially and environmentally conscious design projects changing the world for better. This is a Gravity light that uses kinetic energy to produce light. It is affordable, reliable and a safe alternative to all those kerosene lamps used by 1.1 billion people globally. Kerosene uses up 15%
of the income of the very poor. According to WHO figures 3.8 million deaths a year are attributed to household air pollution caused by people burning kerosene and biomass fuels for their energy needs. The gravity light is powered by lifting a weight- a bag filled with 12kg of rocks or sand. As the weight descends, it turns a gear chain that powers a dynamo, creating light instantly. After 25 minutes when the bag reaches the ground it can be lifted up again as required. .
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