This webpage on the U.S. National Science Foundation (NSF) website provides physics news, information on the physics research that the NSF is funding, and links to physics resources.
PhET Interactive Simulations is a free online resource offered by the University of Colorado Boulder. Interactive simulations address motion, light & radiation, and quantum phenomena, and more.
ACS is one of the largest and most widespread scientific communities. ACS contains information resources, networking opportunities, and some of the most widely used scientific research publications in the world.
Operated by the Royal Society of Chemistry, ChemSpider "is a free chemical structure database providing fast access to over 100 million structures, properties, and associated information" (from website).
PubChem is a free online database offered by the National Institutes of Health (NIH) and the National Library of Medicine. Chemicals can be searched by name, structure, or other identifiers.
A wealth of information concerning the chemical elements-- from a depiction of the periodic table, individual elements can be selected for study, and the site's "Basic properties list" offers comprehensive explanations of qualities such as atomic spectra or expansion coefficient.
Managed by Cornell University, arXiv is an open-access archive comprising over 2 million scholarly articles in science, mathematics, engineering, technology, and economics-related fields.
NSF-PAR is "the designated repository where NSF-funded investigators deposit peer-reviewed, published journal articles and juried conference papers" (from the website).
