What is man’s greatest invention?Some of the latest gizmos would immediately crop up in our minds as the most probable of the answers. But do these gizmos really deserve the veneration that they receive. True, they have revolutionized lives. But they have been characterized with impermanence. Another new invention and the earlier invention is nowhere to be seen.One invention of man which has withstood the challenges of time is a home. The earlier users of home might have constructed it just for .