Necessity is the mother of all inventions. In an overcrowded world with limited resources, everything that man does has an impact on the environment. So in a world besieged by this reality all solutions to man made problems have to be environmentally fri
There are some fuel efficient vehicles that cater our everyday requirements quite efficaciously, and there are some which altogether transcend the realm of possibility. In the latter case, many of such conceptions are mostly prototypes. But they do point
Certain crystalline minerals when subjected to a mechanical force, exhibit an unusual trait, in that- the crystals become electrically polarized. Now, if one of these voltage-generating crystals were subjected to an electric field, it exhibited shortening
