Followers of Mahatma Gandhi are familiar with the charkha, a spinning wheel that produces a type of cotton known as khadi. A new twist on this old tool is that it can also be used to generate electricity, as an article in The Hindu describes its use near Jaipur:
In a few villages near here, Charkha, promoted by Mahatma Gandhi as a symbol of self-reliance and source of income for the rural population, has started doubling as a virtual micro-power plant in each poor household.
e-charkha — an improvised version of Ambar charkha, designed by Gandhian Ekambar Nath — does not resemble a typical charkha but can be operated by hand. A battery is attached to the e-charkha, which stores the electricity generated when it is being run. Two hours of operation is enough to light up the specially-designed LED light fitted to the e-charkha for eight hours.
A great way to continue an independent source of income, while producing electricity at the same time.
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