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Peer reviewedKruglak, Haym – American Journal of Physics, 1975
Descriptors: College Science, Higher Education, Instructional Materials, Laboratory Experiments
Peer reviewedKruglak, Haym – Journal of Chemical Education, 1988
Reports an experimental procedure for studying Einstein's theory of Brownian movement using commercially available latex microspheres and a video camera. Describes how students can monitor sphere motions and determine Avogadro's number. Uses a black and white video camera, microscope, and TV. (ML)
Descriptors: Chemistry, College Science, Higher Education, Instructional Materials
Peer reviewedDerby, Stanley K.; Kruglak, Haym – American Journal of Physics, 1996
Describes an alternate method of demonstrating thin film interference fringes with a laser by using a microscope slide glass cover. (MKR)
Descriptors: College Science, Demonstrations (Science), Higher Education, Lasers
Peer reviewedKruglak, Haym – Mercury, 1982
Describes an experiment with resolving ability and how it varies according to the aperture of the telescope used (including the human eye). Although designed for use in college laboratory classes, a method is included that amateur astronomers can use to determine the actual resolving powers of their telescopes. (JN)
Descriptors: Astronomy, College Science, Higher Education, Magnification Methods
Peer reviewedKruglak, Haym – American Journal of Physics, 1975
Describes a low priced ripple tank with accessories for use with an overhead projector as well as the assembly of a variable speed wave source. Photographs are included. (GH)
Descriptors: College Science, Higher Education, Laboratory Equipment, Physical Sciences
Peer reviewedKruglak, Haym – Physics Teacher, 1992
Outlines 39 physics demonstrations that utilize simple objects such as coffee and soda cans to illustrate scientific concepts. (12 references) (MDH)
Descriptors: Demonstrations (Educational), Density (Matter), Electricity, Energy
