Describes an experiment demonstrating Lenz's law by measuring a magnet falling through a copper tube compared to a nonmagnet falling. Presents diagrams and pictures showing the apparatus. (YP)

Described is a laboratory procedure which uses the small intestines of mice as models for the transport of glucose and other solutes. Demonstrations are suitable for either introductory or advanced physiology courses. (RE)

Describes some experiments for investigating the speed of atomic gas beams and displaying their atomic character. Discusses the experimental apparatus and the time-of-flight method. (YP)

Provides the apparatus setup, experimental method, necessary formulas, and references for three measurement experiments: (1) "Determine the Magnetic Induction of a Coil with a Hall Element"; (2) "Measuring Magnetic Force and Magnetic Field of Small Permanent Magnets"; and (3) "Measurements of Sound Velocity by Means of PZT" (piezoelectric…

Described are three experiments on the photometric, Gaussian, and image-forming properties of a helium-neon gas laser. Details of the experimental method and typical calculations with diagrams and graphs are provided. (YP)

Describes the experimental arrangement for x-ray analysis of samples which involves the following: the radioisotopic x-ray disk source; a student-built fluorescence chamber; the energy dispersive x-ray detector, linear amplifier and bias supply; and a multichannel pulse height analyzer. (GS)

Describes use of a Fresnel biprism to demonstrate double-slit interference with polarized light. Discusses polarization and phase properties of a randomly polarized gas. (JM)

Describes an aircart upon which a person can sit. Discusses the construction and use of it in a physics class. (YP)

Discusses a group project for a physics laboratory using various pendulums. Presents diagrams of pendulums, describes how to make a pendulum, and provides suggestions for guiding students in the laboratory. (YP)

Introduced are two experiments: radon detection method shows real data using vacuum cleaner, soft toilet paper, and Geiger-Muller tube; critical potentials measurement describes the operation of Teltron tube with VELA. (YP)

Provides a description and evaluation of a university's recently instituted physics learning center. Photos and text reveal some uses of the facility. (Author/CP)

Presents two demonstrations: heatwave focusing by concave reflectors and wave speed on a string. Describes the apparatus, and procedures for the demonstrations. (YP)

Demonstrates the inverted image, the chromatic aberration, and the floaters of the eye using an opaque 35mm film container with a small pinhole poked through the bottom. Describes the observation of Haidinger's brushes using polarized light. (YP)

Describes an air track experiment demonstrating the transfer of mechanical energy from elastic potential to kinetic. Discusses four methods for calculating energy stored in the spring. Included are pictures, typical data, and graphs. (YP)

Describes an experimental procedure to measure the specific heat of a gas. Discusses equipment, setup, and procedures and provides sample values obtained for air, propane, helium, carbon dioxide, and argon. (JM)