Reading is a fundamental ability required of everyone by modern society. To become literate is the first step to all other academic achievements, and to be illiterate or a poor reader can result in life-long professional barriers and social challenges. No wonder, then, that so many psychologists, educators, and health professionals share in their determination to learn more about the factors as...

Application of Newton's ideas from P rincipia gives many new results in mechanics. Here we explore the question " What form of extra force will maintain the magnitude of a vector constant of the motion while changing its direction? " Introduction