A simple computer interface for controlling a compact spectrograph for use as a spectrophotometer in an undergraduate teaching laboratory was developed. The project was implemented on a Raspberry Pi computer which permits the integration of a light source into the software. The interface was written in Python to facilitate modification by the user…

This paper presents a teaching kit that combines the fabrication of a low-cost microcontroller-based potentiostat and a LabVIEW-generated graphical user interface. The potentiostat enables undergraduate-level students to learn electroanalytical techniques and characterize energy conversion devices such as solar cells. The purpose of this teaching…

Discusses a laboratory course to familiarize mechanical engineering students in the use of electronics and computers. Describes the objectives, laboratory facilities, lecture topics, projects, and laboratory exercises for the course. (YP)

Describes a junior-level, one-year optics laboratory course for physics and engineering students. The course offers a range of experiments from conventional geometric optics to contemporary spatial filtering and fiber optics. Presents an example of an experiment with pictures. (Author/YP)

Discussed is a method of measuring the coefficient of linear expansion of a solid. Getting many data points, using a computer program using the least square fit technique, and modifying the apparatus are described. (YP)

Describes making laboratory apparatus such as a heavy-duty turntable; a hand-held milk-carton accelerometer; an inverted air table; free-fall measurement with a solenoid as a starting device; and a bright point source. Presents an evaluation of "The Champ Universal Interface and Sensor Pack Software." (YP)

Explains the use of the microcomputer as a multipurpose analytical instrument which frees students from the mechanics of science and allows for more active learning involvement. Provides the typical data acquisition configuration, advantages, disadvantages, and a brief summary. (RT)

The aim of this study was to investigate if integrating basic analytical methods and computer interface technology would result in a positive change in student attitude. Students' self-concept of science knowledge and skills (Capability), opinion towards science (Affect), and perceptions of the value of science (Value) were determined with…

Contained in this issue are 30 articles reviewing advances in different fields of analytical chemistry since 1980. Cumulatively, these reviews list over 1000 references. (CW)

Described is a physical pendulum experiment with variable pivot as an example of maximizing computer benefits in laboratory interfacing. The laboratory procedures using spreadsheet graphics package are discussed. A diagram of the pendulum, basic formulas, and theoretical curve is provided. (YP)

Introduces three physics experiments for high school and college classes. Topics include measuring the ratio of heat capacities using a microcomputer and a glass syringe, producing large electric sparks using a variation of a Leyden bucket, and observing transmission line behavior using television signals. Includes descriptions of materials and…

Describes the state-of-the-art in computer interfacing in the biology laboratory. Discusses hardware and software. Enumerates the educational benefits from instrumentation such as cost effectiveness and increased student opportunity and motivation. Includes 14 references. (CW)

Introduces a photogate arrangement using a photo-reflective sensor for air track experiments. Reports that the sensitivity to sunlight can be eliminated and a mechanically more convenient package produced. Shows the mounting, circuit, and usage of the photogate. (YP)

Presented are five examples of the application of computer technology to undergraduate chemistry instruction. Topics include: an interface for kinetic experimentation; theoretical calculations; automation of chemical techniques; searching the chemical literature; and Huckel molecular orbitals. (CW)

Discussed are the construction and uses of a version of a photoelectric colorimeter by students. Included are materials needed and four experiments which use the equipment. Sample results are shown. (CW)