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Activities for a field experience program involving 50-60 methods students and as many sixth graders is described; the program explores the cemetery as a place to pull together skills and concepts from subjects like reading, mathematics, language arts, science, and social studies. Activities involve tombstone rubbings, family trees, writing poetry and epitaphs, treasure hunts, exploring causes of death in the last century, investigation graveside ecology, and graphing demographic data. The future teachers benefit from this program through exposure to teaching and learning in an alternative setting. The children benefit through the improved quality of their project work and indications of a high level of positive cognitive change as well as affective change. (DS)

Rational criteria represent improvement over "cut-and-try" approach. Recent development in theory of control systems yields improvements in mathematical modeling and design of digital feedback controllers using time-averaged measurements. By using one of new formulations for systems with time-averaged measurements, designer takes averaging effect into account when modeling plant, eliminating need to iterate design and simulation phases.

An account is given of the control systems engineering methods applicable to the design of digital feedback controllers for aerospace deterministic systems in which the output, rather than being an instantaneous measure of the system at the sampling instants, instead represents an average measure of the system over the time interval between samples. The averaging effect can be included during the modeling of the plant, thereby obviating the iteration of design/simulation phases.