In no other scientific field is the conflict between theoretical knowledge and practice so intense as in engineering sciences. The characteristic feature of engineering sciences is that it can neither be classified as „applied science nor as a part of technology itself. The special position of technological knowledge and its evolution can be illustrated by the example of civil and mechanical engineering. Here special emphasis is given to the close relationship between science, technology and industry, as well as the development (...) of independent research concepts in the engineering sciences. (shrink)