by hansraj soni » Wed Jan 04, 2012 9:39 am we know that energy can neither be created nor it can be destroyed.it can be transformed from one form to another.so earth is an electromagnet and it is revolving at the speed of 30 km/sec then a very high magnetic field is created and then where is magnetic field there is current.so store this current by some
application of science can change face of the earth
