Describes an experiment on Doppler effects using air cars on a linear air track and a homodyne Doppler radar system. (SL)

Describes the activities and publications of the Mathematical Association of America that are of interest to physicists. (SL)

In a longitudinal study, students from Personalized System of Instruction (PSI) and lecture physics course are compared grade-wise in subsequent chemistry and biology courses. Results indicate students from PSI courses obtained higher grades in subsequent courses. (SL)

Examines the concept of PdV work and the harmonic oscillator as an example of a thermodynamic system with properties analogous to an ideal gas. (SL)

Reviews various science activities investigating polarized light. (SL)

Reviews the use of the x-ray computerised axial tomographic (CT) method of making pictures of internal structures of the human body. (SL)

Describes an exercise for obtaining the diameter of Venus by timing its occultation by the Moon, for a liberal arts astronomy course. (SL)

Discusses the scattering of wave packets in one space dimension at the mathematical level of the first-year graduate student in quantum mechanics. (Author/SL)

Describes an undergraduate project of measuring environmental noise. Includes a discussion of current methodologies used in environmental noise assessment and the usefulness of projects which involve the physics profession with local governmental agencies and the community. (SL)

Presents results of a validity study of the Educational Testing Service (ETS) advanced placement physics C examination multiple-choice component. (SL)

Describes the rationale behind the construction of a private observatory by seven astronomers. Lists pertinent factors that should be considered in the creation of an observatory. (CP)

Discusses the state of the art in the field of utilizing perfluoropolyethers in the creation of "clean" vacuums, when the term "clean" vacuum defines one that does not contain contaminates which interfere with the process to be carried out in the vacuum. (SL)

Describes a method for demonstrating harmonic motion which utilizes a low frequency oscillator and three oscilloscopes. (SL)

Describes an experimental arrangement for investigating optical barrier penetration. (SL)

Develops a geometric solution to be used with spatial integrals needed for finding electric and magnetic fields. The method is used in the calculation of the electric fields due to a uniformly charged plane, line and sphere. (CP)