Describes an experiment in which a microcomputer was programed to function as a transfer function analyzer to investigate the dynamics of stirred vessels. The main objective of the experiment is to illustrate the theory and application of the pulse test (a method of determining the transfer function of a process). (JN)

Describes a chemistry laboratory software package for interfacing the Apple IIe for high school and introductory college courses. Topics include: thermistor calibration, phase change, heat of reaction, freezing point depression, Beer's law, and color decay in crystal violet. Explains the computer interface and the tools needed. (MVL)

Reports on acquiring and analyzing enzyme kinetics data using Apple microcomputers. Describes the experimental background and procedures, instrumentation, cautions, and construction aids. Cites applications which illustrate the use of a computer in a laboratory exercise. (RT)

Examines two computer interfaced lab experiments: 1) discusses the automation of a Perkin Elmer 337 infrared spectrophotometer noting the mechanical and electronic changes needed; 2) uses the Gouy method and Lotus Measure software to automate magnetic susceptibility determinations. Methodology is described. (MVL)

States there is little direct evidence that the current laboratory instructional method is an important component of chemistry instruction. Provides a historical account of laboratory work. Studies individual work versus demonstrations, and computer simulations. Urges the use of computer based methods to provide a rich laboratory experience. (MVL)

Describes a general purpose microcomputer-based system designed to support small-scale experimentation in the physical sciences in student laboratories. System requirements, teacher reactions, and educational implications are discussed; design criteria are established; and examples are given of the system's application to some simple experiments.…

Examined is the use of the microcomputer as a tutor, for simulations of experiments, and to provide graphic interpretations of abstract concepts in the college biology setting. Discussed are computer enhanced courses being used, the software library, and the computer laboratory facility. Lists reasons for adoption of computer enhanced format. (MVL)

Describes a microcomputer-based software package developed at the University of Surrey for teaching digital signal processing to undergraduate science and engineering students. Menu-driven software capabilities are explained, including demonstration of qualitative concepts and experimentation with quantitative data, and examples are given of…

Presented is the use of a microprocessor for mechanics experiments. Described are the experimental set-ups, experimental method, and conclusions. Includes several diagrams and pictures. (YP)

Discusses the use of a computer software package called ASYST for general laboratory computing. Describes the software's capacity for acquiring data in a flow injection analysis experiment. Reviews the series of commands used by students in carrying out the experiment. (TW)

Discusses the problems created by the insufficient number of major data collection and analysis instruments in most college chemistry courses. Suggests the use of less expensive microcomputer-controlled instrument emulators, which resemble the actual instruments. Discusses the application of one such emulator in an instrumental analysis course.…

Presents an approach for building an inexpensive control engineering laboratory to support control courses in an undergraduate engineering program. Outlines the use of simple amplifier circuits and small personal computers in performing control experiments. Proposes an optimum configuration of the laboratory for minimum servicing and adequate…

A Commodore-64 microcomputer was used to develop a system which is useful for a variety of teaching laboratory and real time control applications. Hardware and software requirements and examples of experimental work with the system are provided. (JN)

Describes a first-year chemistry laboratory experiment which uses a simple computer program written in BASIC, to analyze data collected by students about the density of a set of marbles. A listing of the program is provided, along with a sample printout of the experiment's results. (TW)

Describes a system (Apple II microcomputer interfaced to flexible, custom-designed digital hardware) which can provide: (1) Fast Fourier Transform (FFT) computation on real-time data with a video display of spectrum; (2) frequency synthesis experiments using the inverse FFT; and (3) real-time digital filtering experiments. (JN)