This online text is an exhaustive description of the role of symmetry in the degeneracy of a single-particle bound state system in quantum mechanics. Both non-relativistic and relativistic examples are studied.

This site comes from the Institut für Angewandte Physik at the University of Wien shows how the scanning tunneling microscope (STM) works. An animated drawing shows the parts of a microscope produce the image. The site...

Thomas Jefferson National Accelerator Facility (Jefferson Lab) is funded by the Office of Science for the United States Department of Energy (DoE) with strong support from the City of Newport News, the Commonwealth of...

This site provides links to a series of PDF files that represent chapters of an e-text on the basics of NMR. While many other textbooks on NMR are available, the chief merit of this one is that it has a nice chapter on...

This video, distributed on YouTube by the Royal Society of Chemistry, is on the basic principles of High Performance Liquid Chromatography. This video is a short primer (5 minutes, thirty seconds) which introduces the...