This book provides fun experiments that teach known concepts about the human body. It is designed to teach facts, concepts, and problem-solving strategies. The scientific concepts presented can be applied to many similar situations, and the exercises and activities were selected for their ability to be explained in basic terms with little…

One of the processes supposed to take place during development toward medical expertise is knowledge encapsulation. In this process detailed biomedical concepts are gradually clustered together and reorganized under fewer, clinically relevant terms. A large-scale investigation was made of the process of biomedical knowledge application using…

The importance of man's relationship to time has been widely recognized in psychology. However, ideas about how the subject should be defined and studied have varied greatly. To explore the phenomenological "experience of time", 20 white, middle class, mature, articulate adults (10 male, 10 female) participated in 1-hour semi-structured,…

Presents the dimensions of scientific literacy, outlines the nature of science, and lists the concepts and processes of science. (GS)

A psi-watcher's survey of current mind and consciousness research - from karate and kung fu to the kundalini hypothesis. (Editor)

There are a number of ways of exciting standing waves in ropes and springs using non-commercial vibrators such as loudspeakers, jigsaws, motors, or a simple tuning fork, including the rhythmical shaking of a handheld Slinky. We have come up with a very simple and cheap way of exciting stationary waves in a string, which anyone, particularly…

Science museums and popular physics shows often exhibit a blower in whose air stream a ball is held hovering in equilibrium some distance above the jet's orifice. The weight of the ball, "mg," is balanced by the drag force of the turbulent air stream, often written as ?Cv[superscript 2]A, where "?" and "v" are the…

The evolution of the chemical engineering discipline motivates a re-evaluation of the process dynamics and control curriculum. A key requirement of future courses will be the introduction of theoretical concepts and application examples relevant to emerging areas, notably complex biological systems. We outline the critical concepts required to…

Presents questions from readers and answers to their questions. Topics in this article include population growth, corrosion in fuel lines, and effect of cooling on seeds and sperm. (RH)

An algebraic definition of time differentiation is presented and used to relate independent measurements of position and velocity. With this, students can grasp certain essential physical, geometric, and algebraic properties of motion and differentiation before undertaking the study of limits. (Author)

A global satellite navigation system based on the use of time in measurements of speed, distance, and location is described and explained. (DT)

This document presents a discussion and conceptual derivation of Einstein's postulates of special relativity. The perceptron approach appears to be a fundamentally new manner of regarding physical phenomena and it is hoped that physicists will interest themselves in the concept. (Author)

This guide includes four units for use in each of grades 4 through 6. The fourth grade units are entitled Measurement Systems, Classification Systems, Bio-Control Systems, and Hydrologic Systems; the fifth grade units are Chemical Systems, Force Systems, Bio-Systems, and Astro-Systems; and the sixth grade units are Equilibrium Systems,…

This monograph constitutes the first five chapters of an introductory course in physics for students who do not intend to become professional physicists. The over-all themes and ideas of physics receive the major emphasis, with little stress placed on mathematical manipulation. The style of presentation is mainly a combination of the axiomatic and…