It makes happy when you listen to a student and his idea about science how it works what can we do more and how positively it will help to our daily life....with the help of water & air we can make a rocket......or by some alarm set at the Dam may help hundreds of life.....how the volcano is working.... use of hydro power and benefits....charging mobile with out electricity.... Water saving..water harvesting .....security in home by alarm bell ...etc
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