shreekanth nivarthi
10 years 7 months ago
This is an innovative idea which was once given by my freind to me, All non exhaustable sources are using to create energy but, only Gravitational energy is not using by any country as a resource. To make use of this He suggested that " gravitational metro trains "can be induced in Make in India,the idea is simple and efficient to make railing in required slope and due to friction in wheels energy is create & to be stored and the same energy can be used to reach higher elevations.
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