Examines the everywhere-observable phenomena of waveforms, and how waves transport energy across a distance within some given medium. Discusses how waves are described, what happens when waves meet, the specifics of standing waves and echoes, and an introduction to Fourier analysis. (JJK)

Describes several significant observations by amateur astronomers of recent, spectacular clouds and storm systems on Mars, Jupiter, and Saturn. (Author/JJK)

Provides background and instructions for the assembly of a microaquarium, or specimen cell, in which the dynamic world of living microorganisms can be viewed through a microscope overextended periods of time utilizing the simplest of materials in the process. (JJK)

Describes how to set up an economical saltwater aquarium and where to obtain supplies and inhabitants. Discusses the characteristics of a saltwater aquarium, proper aquarium maintenance, the compatibility of diverse life forms, and the time scale necessary to develop and sustain a favorable natural environment. (nine references) (Author/JJK)

Describes how to construct a simple pendulum seismometer. Includes schematic drawing of the electronic circuitry, a working drawing of the apparatus, and typical seismometer outputs caused by nearby trains and various earthquake-generated waves. (JJK)

Provides simple instructions for establishing an herbarium, in which the collecting and classifying of dried plants preserves a vital record of the status and variety of the flora found within particular locations at specific times. (Author/JJK)

Outlines the steps necessary to conduct a science fair project and examines two specific examples of how a basic idea for a science fair topic can be followed to its completion. Provides examples of day-to-day operational science in a basic botany project and a lunar geography project. (JJK)

Introduces the basics of radio astronomy and describes how to assemble several simple systems for receiving radio signals from the cosmos. Includes schematics, parts lists, working drawings, and contact information for radio astronomy suppliers. (11 references) (Author/JJK)

Reviews the discovery, the properties, and the composition of the physical phenomena of fields with a focus on magnetic and electrical fields and what makes them special. Provides a method to detect and estimate the strength of electromagnetic fields using an ordinary portable radio. (Author/JJK)

Explores the subject of fractal geometry focusing on the occurrence of fractal-like shapes in the natural world. Topics include iterated functions, chaos theory, the Lorenz attractor, logistic maps, the Mandelbrot set, and mini-Mandelbrot sets. Provides appropriate computer algorithms, as well as further sources of information. (JJK)

Describes how anyone with a personal computer and a telephone can easily go "online" with hundreds of different bulletin board services (BBS), many of which are ideal data sources and information exchanges for amateur scientists. Lists contact information for selected commercial and governmental BBS systems. (Author/JJK)

Describes how to observe and study the fascinating world of insects in public parks, backyards, and gardens. Discusses the activities and habits of several common insects. Includes addresses for sources of beneficial insects, seeds, and plants. (nine references) (JJK)

Describes the construction and use of simple optical aids that allow the amateur scientist to safely observe sunspots and solar eclipses and also to measure the sun's rotation. (five references) (JJK)

Summarizes the experiences of a former science fair participant and judge in an attempt to make the typical rules for science fairs more understandable to any prospective participant. Includes categories of judging, items prohibited from display, a list of most difficult projects, and the source for more information on science fair rules. (JJK)

Reports on a cross-section of high school seniors who were among the 40 students named as finalists in the fiftieth annual science talent search. Presents highlights from interviews with these exceptional teenagers being recognized for their independent research efforts in science, engineering, and mathematics. (JJK)