Most people are familiar with Shel Silverstein's poem "Where the Sidewalk Ends", but do they know where and why sidewalks crack? It's a valid and worthy question, and this handy educational activity from Charles Onasch...

Provides information for college and graduate level on radioactive decay processes and radioactive dating. Gives key concepts and an index to hyperphysics and nuclear topics. Along with hyperphysics and nuclear topics,...

Understanding certain aspects of structural geology can be challenging for undergraduates, and the good people at "On the Cutting Edge" have worked to create this useful resource to help students and educators. This...

Professor Stephen Nelson of Tulane University created this resource on rock deformation. A synopsis and overview of principles associated with physical rock deformation is provided. Nelson also briefly touches on...

This site, created by Boston University's Center for Polymer Studies, provides the description and instructions for, as well as the link to, the "Diffusion Limited Aggregation: Growing Fractal Structures" applet. This...