Note: I wrote this article way back on 28th January 2003. I was completing my engineering then, and of course didn't have a blog. The thoughts in it however, are pertinent even today. Wars for long have been thought to be as bad omen. And every time somebody mentions War, pictures of mass destruction hover in front of our eyes. But history tells us that wars have traditionally been the powerhouse of technological revolution. The recent most world war, that is the Second World War, is the most flamboyant example of the above fact. Robert B. Young at the Stanford Research Institute has studied the span of time between the first commercial appearance of a new electrical appliance and at the time the industry manufacturing it reaches a peak production of the item. Young found that for a group appliances introduced in the United States before 1920, including the vacuum cleaner, the electric range and the refrigerator, the average Span between introduction and peak production was 34 yea