Describes an experiment in which a 500-A-thick silver film is evaporated on the hypotenuse face of a right glass prism. The surface plasmon mode in the film is excited with a He-Ne laser. The dispersion relation for the surface plasmon and the reflectivity due to the excitation of this mode are calculated. (Author/MLH)

Stefan's law is demonstrated by measuring the temperature of the tungsten filament of an electric light bulb and plotting a log-log graph of temperature against power dissipation. (MLH)

Describes two new microscopes, the acoustic microscope and a scanning transmission microscope, both of which promise to yield fresh insights, based on revolutionary techniques into cellular biology. (BR)

Describes new apparatus and equipment including balances, spectrophotometers, gas chromatographs, pH meters, calculators and temperature controllers. (GS)

Describes a simple tensiometer which provides good approximations to Young's Modulus and acceptable tensile test curves. (Author/GS)

Describes a method of time-of-flight determination utilizing a sound-actuated switch, an electronic flash, and a loaded camera. (GS)

Describes a calibration technique for a small motor which, when driven as a generator, can be used for a speedometer. The generator output can be fed to an oscilloscope to provide a sweep in which the vertical axis is velocity and the horizontal axis, time. (GS)

Explains a method of exploiting recent interest in automobile safety to demonstrate, qualitatively, concepts of momentum and energy. (GS)

Describes a series of experiments which provide excellent evidence for different degrees of dissociation of a series of complexes and precipitate. The series is based on the copper ion as the acid and sample data are provided. (GS)

Describes the rationale and incentive for the development of investigative laboratories at the University of Nebraska. Details the training and continuing support system that allows the utilization of a largely undergraduate student teaching staff. Outlines problems created by the nature of the students enrolled in the course. (GS)