Describes a system of interactive astronomy whereby nonscience students are able to acquire their own images from a room remotely linked to a telescope. Briefly discusses some applications of Charge-Coupled Device cameras (CCDs) in teaching free fall, projectile motion, and the motion of the pendulum. (JRH)

Shows that the conventional wisdom about the extreme inaccuracy of stopwatch measurements during the acceleration and free fall of objects is mistaken. (ZWH)

Presents demonstrations that use a blowgun to illustrate scientific concepts relating to acceleration, projectile motion, Newton's Laws, and work and kinetic energy. (JRH)

Assessed 13- and 20-week-olds infants' discrimination between shearing stimuli, in which columns of dots move vertically on a screen at different velocities, and foil stimuli, in which all dots move at the same velocity. Results revealed the threshold levels of dot velocity in shearing stimuli at which discrimination occurred. (BC)

Samples of the language used by 4 children were recorded longitudinally between 1.5 and 3 years of age. Children's expressions of motion were categorized into expressions involving a source, path, or goal of motion. There were developmental changes, including an increase in the use of words relating to goals as children grew older. (BC)

This study investigated the effects of a hand positioning device on aspects of upper extremity movement control and muscular activity and visual motor performance in 10 children with cerebral palsy. Although no significant results were found, individual subject data revealed a trend toward increased numbers of movement units, slower movements, and…

This study of 20 3-month-old infants with Down's syndrome and 20 nondisabled infants found that both groups were successfully trained to produce movement in an overhead crib mobile by kicking, and displayed long-term retention a week later. Conditioning and retention-test performance of the two groups did not differ. (Author/JDD)

This study of single-joint elbow flexion movements by 10 subjects with Down's syndrome (ages 14-19) and 6 control subjects concluded that there are no major qualitative deficits in the motor control mechanisms of individuals with Down's syndrome, but there might be problems with proper modulation of motor commands. (Author/JDD)

Two experiments examined the question of whether blindfolded young children and congenitally blind children show mental practice effects for blind movements that cross the body midline. Results suggested that young children with sight can show mental practice effects in the absence of visual cues. (GLR)

Reviews the history of dualism, examining its implications for physical education. Discusses a nondualistic, embodied view of humans which calls for changes in the way the profession works with people and recommends integrative study and analysis for a more complete understanding of human movement. (SM)

Defines and discusses the proper use of radians in physics equations and problem solving. The article suggests that many physics instructors inadequately explain how and when to use radians to their students. (MVL)

Describes an activity with cars and fans that observes the motion of cars under force. Lists required materials, the procedure, and introductory questions for the activity. (YDS)

Studies with 65 adults found two new visual processing tasks, visual change detection and visual movement detection, to be correlated with inspection time and the nonverbal scores from the Alice Helm 4 test of general intelligence. Results are discussed in terms of the correlation between inspection time and intelligence and the psychobiological…

Describes a stimulating interactive group project on measuring the lengths of solar days that directly supports concepts related to orbits, motion, and time in a physics or astronomy curriculum, and has the flexibility to extend from a few days to several weeks. Provides new measurement experiences for students and teachers and opportunities for…