http://www.articleheaven.net en-us editorial@articlealley.com From the start, "time" has been vital. The plain concept of telling the difference between day and night is something that we take for granted today. Understanding the "time" where we live was vital for many centuries, but as we go into the global world, ... http://www.articleheaven.net/wall-clocks-1668622.html 27th July 2010