The Materials Science and Technology Teacher's Workshop (MAST) provides this experiment on the basic particle model for metals. The activity uses Bbs in a Petri dish to simulate the formation and movement of metal atoms...

This site features a video lecture on Atomic Force Microscopy (AFM) by Prof. Arvind Raman of Purdue University that discusses the historical development, instrumentation and operational principles of various AFM modes....

The Atomic Orbitals Web site "was established as part of an (ongoing) project at Purdue University to develop 'visualization modules' for general chemistry students." Using the Chime plug-in, which allows unique and...

This page from Hyperphysics contains images depicting the light emitted by several elements and their respective spectra. The page also provides a description of how the size of a holographic image scales with the...

A database containing Physical Reference Data is available online from the National Institute of Standards and Technology (NIST) (mentioned in the August 16, 1996 Scout Report for Science & Engineering). Atomic Spectral...