Outlines a problem concerning the computation of hydrogen spectral line wavelength in a general physics class which is appropriate for computations on calculators with 8 significant digits of accuracy. (SL)

Describes four experiments in mechanics which utilize a tennis ball serving machine. (SL)

Describes errors occurring in a textbook presentation of electrical resistance across carbon arcs and filaments. (SL)

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

Presents a chronicle of the life of American born Benjamin Thompson. His private life as well as descriptions of his scientific experiments are discussed. (CP)

Photographs illustrate several principles of physics which can be observed in everyday situations. (CP)

As a continuation of SE 516 125 (The Powered Phase), this report provides a detailed analysis of the coast phase of a model rocket trajectory. (CP)

Provides the outline of an introductory college-level physics course which combines astronomy, astrophysics, relativity and communications with a study of civilizations and the conditions necessary for life. Student comments and an informal evaluation of the course are included. (CP)

Provides tables and graphs that give a complete and simple picture of the relationships of image distance, object distance, and magnification in all formations of images by simple lenses and mirrors. (CP)

Describes experiments which could be performed on an 1860 rotating table apparatus. (CP)

Discussed are strobe photography, making a storage unit, improving a lecture-table meter, and making an electrical discharge tube. (RH)