A 25-year-old Cameroonian has developed a special refrigerator that enables communities to light up without depending on electricity, charge mobile phones and, above all, store food and medicines.
According to Tchulang Kouogue Triomphant, it is a “very innovative” device that produces cold and energy at the same time 24 hours a day. It is special because it uses sunlight to operate without batteries.
“It is the first refrigerator model in the world that uses both photovoltaic and thermal energy. It also produces excess energy which is stored in small batteries that can be used to charge phones and