Observation is the first step of a new inventor

Reasons for putting science theories in web site

Hi there is a special reason to put a section like science theories,that is because when I was going school there is a my best friend called Nuwanga.He does not know that the hovercraft is flying[he thinks that  hovercraft travels like a car] so that means that he doesn't know the theory of hovercraft so in that moment I gain a idea to put science theories in my web.