This page, created by Richard Lowry of Vassar College, generates a graph of the chi-square distribution and displays the associated probabilities. Users enter the degrees of freedom (between 1 and 20, inclusive) upon...

This website, authored by Fu-Kwun Hwang of the National Taiwan Normal University, contains an applet on circular motion. The simulation portrays a ball on a string swinging in a circle. The radius of the circle and the...

This interactive presentation, created by authors James Bourassa and John Rosz, explains how the input of force reacts with lever systems. The authors address the physics behind levers, and how when proper angles are...

This website contains basic information about Galaxy Clusters and their properties. Includes a brief explanation on how to apply the Virial Theorem to calculate a Cluster's Mass, and how the Theory of Dark Matter derives...

This applet is a probabilistic study of picking prizes from an unlimited supply of cereal boxes. The applet helps to answer how many boxes of cereal need to be purchased to have a 50/50 chance of getting all the prizes....