A mechanical analogy between the microscopic motion of a charged carrier in an ordinary resistor and the macroscopic motion of a ball falling along a slanted board covered with a lattice of nails is introduced. The Drude model is also introduced to include the case of inelastic collisions. Computer simulation of the motion is described. (KR)

New health occupations described are biomedical equipment technician, perfusionist, orthotist, biocommunications manager, biophotographer, health sciences librarian, instructional designer, medical writer/editor, and medical artist/illustrator. Association contacts for further information are listed. (SK)

The assignment of listening tasks for students to do while listening to conversational English tapes in a Japanese language lab is described. Students are instructed to create their own visuals. Sample activities and procedures are outlined. (Contains 13 references.) (LB)

Provides simple recommendation for teachers and school administrators to aid in ensuring safety in the laboratory and reduce risk of injury to students. Discusses legal implications and major areas of concern. (ZWH)

Reviews current writing center debates about the peer tutor's role and authority. Presents three case studies investigating the ways in which first-time tutors and their clients enact role and authority in their tutorial relationships. (RS)

The classification scheme for periodontal diseases developed in 1989 is discussed, and technologies, both surgical and nonsurgical, for prevention, control, and regeneration of periodontal tissues are described and compared. Research needs are discussed. (MSE)

Describes mobile computer carts developed at the Lawrence Hall of Science that use IBM PS/2 computers and Personal Science Laboratory probeware. Activities using temperature probes for elementary and secondary school students are described, including greenhouse environments, ice cream/chemical reactions, probe races, motion studies, and…

The data from measurements of the density of tungsten, steel, aluminum, and PVC spheres are used to extrapolate the infinite density of something such as a neutron star. An apparatus that allows for precision measurements is described. A discussion on error analysis is appended. (KR)

Described is an interactive video system that reconstructs three-dimensional representations of the brain and its components from two-dimensional serial cross-sections. (KR)

Observes that there is as yet no comprehensive history of the Post-World War II "multiversity." Examines the development of Stanford University's Microwave Laboratory. Suggests a framework for the multiversity that includes large, well-funded laboratories, a department with weak central authority, and an emphasis on research over…

Described is the author's decision to help a student find alternatives to performing several terminal experiments on animals in a college physiology class. Replacement exercises used for studying the properties of muscle types are described. Details about the difficulties and successes of the entire experience are reported. (KR)

The language laboratory at New Trier High School (Winnetka, Illinois) is designed to facilitate the learning of foreign languages. Equipment includes videotape recorders (VCRs), audiocassette recorders, microcomputers, and printers. Teachers create listening, speaking, and video exercises for students to complete independently. Students' enjoyment…

Discusses the difficulties of attracting and maintaining skilled personnel in the environmental laboratory industry. Describes major factors contributing to the current situation and industry efforts to remedy the problems. (MCO)

Outlines the organization and activities of the Child Development Centre (CDC) of Aristotle University in Thessaloniki, which operates as a model preschool and kindergarten for over 300 similar institutions throughout Greece. The CDC utilizes art, music, visits to workplaces, movement activities, foreign languages and customs, computers,and free…

Describes a study conducted at the University of Missouri-Columbia of the influence of experience as writing center tutors on teaching assistants' classroom teaching. Reports findings concerning teaching changes, increased focus on higher-order concerns, increased empathy for students, different views of student-teacher relations, and attitude…