Engineering has long been thought of by the public as a profession tra- ditionally categorized into such branches as electrical, mechanical, chemical, industrial, civil, etc. This classification has served its purpose for the past half century; but the last decade has witnessed a tremendous change. A continuous transition from the practical to the theoretical has made technology overlap with science, and the enlargement of scope and broad- ened diversification have smeared the boundaries between traditional engi- neering and scientific fields. Engineering is rapidly becoming a diversified,...