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Using gravity to light up homes
Key Excerpts from Article on Website of CNBC
Posted: July 24th, 2017
http://www.cnbc.com/2016/09/27/using-gravity-to-light-up-hom...
According to the International Energy Agency, 1.2 billion people around the world do not have access to electricity, while over 2.7 billion people live without clean cooking facilities. In Africa, the lives of many people are made harder by a lack of access to reliable sources of power. Many people living off-grid use kerosene lamps for cooking and lighting. While this can be cheap, the environmental and health hazards are considerable. One piece of kit looking to push kerosene out of people's homes is the GravityLight. "GravityLight was invented by two designers looking for a safe alternative to kerosene lamps, which are used by over a billion people without electricity," Caroline Angus, co-founder of the GravityLight Foundation, said. In Kenya, [GravityLight] will cost roughly 2,500 shillings ($24.70). Once a user has set it up, it costs nothing to run. "Gravity Light is an off-grid light. It's powered by just lifting a weight, so you fill a bag with rocks or sand and winch up the weight, and as it gradually falls, it will turn a gear box which generates power," Angus added. For one villager, the Gravity Light has the potential to be life-changing. "This light will benefit me and my children, they will be able to read well, food will be cooked well in the evening, and the whole house will be well lit," they said. "The need for light is universal," Angus said. "Given there are solutions out there that can replace a kerosene lamp ... we need to urgently get those out there," she added.
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