The subject of this month's feature column from the American Mathematical Society Online is the solution to the "Three Body Problem" of Newtonian mechanics. The problem deals with three orbiting bodies of equal mass and...

Michael Karweit of the Department of Chemical Engineering at Johns Hopkins University created this online laboratory to simulate engineering and science laboratory projects. The site is used in a course entitled What is...

The Abrams Planetarium, located at Michigan State University, has this homepage that describes various aspects of the outreach program created by the establishment. In addition, the page provides links to many other...

Academic Earth provides videos of lectures by top scholars in "Subjects" that range from Astronomy to Entrepreneurship to Religion, from "Universities" as celebrated as MIT, Berkeley, Harvard, and Stanford. Visitors...

This online exercise lets students practice vector addition. They choose the precision of the test by selecting a target size, then estimate the sum of the two vectors by dragging and dropping a third arrow. Points are...