This portable solar-powered prototype uses old tires to float on saline water sources and starts harvesting clean water instantly. There is a superabundance of water on Earth but a significant lack of ...
A work order for manufacturing 13 electric-powered water vessels was placed and finalised with the Garden Reach Shipyard authority in presence of state transport minister Snehasis Chakraborty. For ...
since tap water contains some sodium, calcium and other mineral salts. The experiment below will illustrate this phenomenon. 1. Place 1/8 teaspoon of sodium polyacrylate powder in a plastic cup 2.