Is the android mobile's radiation is harmful?

most of use mobiles. We place it in our pockets. May be in shirt pockets(where lies our hearts) and pant pockets(near reproductive organs) Does the continuous radiation affects us? Also many guys (myself too) stay connected on internet. Gaming facebooking or downloading something. My mobile gets alltime 3g frequency (which is radiation practically) but how … Read more

how water wheel works?

Can we install a waterwheel to generate hydo-electric energy in a pond? 1 Answer ? Favorite Answer For a water wheel to work, the water has to be either moving or coming from a “higher altitude”. Putting it in a pond or lake won’t work. Source(s): http://en.wikipedia.org/wiki/Water_wheel