How a village potter invented a refrigerator that works without electricity

A Gujarati potter, Mansukhbhai Prajapati, revolutionized rural India with his electricity-free clay refrigerator. Born from the aftermath of the 2001 earthquake, this innovative device uses evaporation to keep food and water cool for days. Priced affordably, it offers a vital solution for households facing power cuts and limited resources, proving that practical innovation can emerge from traditional skills.