Water gushing out of thousands of springs at different places cannot move the wheels of a big engine to carry out very heavy tasks. But the channeled flow of the same water in the bed of a stream will, however, be irresistible and can become a source of tremendous energy.

Water gushing out of thousands of springs at different places cannot move the wheels of a big engine to carry out very heavy tasks. But the channeled flow of the same water in the bed of a stream will, however, be irresistible and can become a source of tremendous energy.