Indian Engineer Innovates Eco-Friendly Sewage System Based on Cow Stomach
In India, an I-T specialist named Tharun Kumar created an eco-friendly sewage treatment system inspired by a cow's stomach. Cow stomachs break down food using anaerobic bacteria, which don't need oxygen. Typical wastewater systems use aerobic bacteria and require ventilation, electric power, manpower and, sometimes, chemicals. Kumar's invention is zero-energy ...
