The ability to rotate visual mental images is a complex cognitive skill. It requires the building of graphical libraries of information through short or long term memory systems and the subsequent retrieval and manipulation of these towards a specified goal. The development of mental rotation skill is of critical importance within engineering…

This article examines images of the future as visualized by space artists and design engineers. In excerpts from interviews, the artists describe their activities and their use of computer-aided design. The article concludes that visual thinking plays a large part in translating the dreams of visionaries into reality. (JDD)

An experimental group of students from an introductory engineering graphics class was required to watch 30 videotapes that presented basic concepts of engineering graphics, whereas a control group had no access to the videotapes. No differences were established between the groups. (JJK)