Discusses physical phenomena which can be demonstrated by using a coffee cup, involving the short-range field, alpha-particle scattering, standing waves, and Bohr's closed electron orbits. Indicates that observation of the physics of the classroom in everyday objects can attract student interest in physics learning. (CC)

Discusses experience of teaching a "Search in Science" course to college nonscience majors entitled "From Myth to Mechanism: A Study of Man's Changing Concepts of the Universe from Early Mythological Beliefs to the Development of Modern Scientific Laws." Historical explanation of the development of physical concepts is stressed. (CC)

Discusses the use of two television sets with UHF coverage and a window screen or aluminum foil reflector to conduct a take-home experiment in physics. (CC)

Reviews theoretical principles underlying the quark model. Indicates that the agreement with experimental results and the understanding of the quark-quark force are two hurdles for the model to survive in the future. (CC)

Consideration of the force of gravity in some simple accelerated systems. Ambiguity about the use of up'' and down'' arises in coordinate systems not at rest with respect to the surface of the earth. (DF)

Discusses the exponential growth of energy consumption and future consequences. Possible methods of converting solar energy to power such as direct energy conversion, focusing collectors, selective rediation absorbers, ocean thermal gradient, and space solar power are considered. (DF)

Bernoulli's theorem can be better understood with the aid of Newton's laws and the law of conservation of energy. Application of this theorem should involve only cases dealing with an interchange of velocity and pressure within a fluid under isentropic conditions. (DF)