How does fan gives air – Science behind the fans

We are all having fans in our homes and offices. We know about the working of fans, which will convert the electrical energy into mechanical energy. How the fan does give such amount of air? Did you ever thing about…
Science behind the Temples

Thousands of Temples are in India. In these counting the temples which are placed between each street are not included. These temples are not only built according to Vedha’s but also built by Science. Science behind the Temples Some of…