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Presents an update on various issues related to civil engineering in the U.S. as of July 2002. Features of three-dimensional printing technology that is being developed by scientists at the Massachusetts Institute of Technology; Information on the fuel cells used by the Chevrolet S-10 pickup truck from General Motors Corp.; Potential uses of gallium nitride transistors.

Focuses on the importance of the research and development program to enhance technological innovations for Raytheon Aircraft Co. in Lexington, Massachusetts. Priorities of the program; Information on the budget for the development of gallium nitride monolithic microwave integrated circuits; Details on the engineering workforce of Raytheon.

The article reports on the hybrid microchips created by Scientist at Massachusetts Institute of Technology (MIT). The chip is made from a combination of silicon and gallium nitride, used in LEDs. Tomas Palacios, an assistant professor at MIT says that the improvement of silicon will not pursue if it will be taken for granted.