From the National Institute of Standards and Technology. Provides values for physical constants, as well as spectra, x-ray and gamma ray data, nuclear physics data, condensed matter physics data, and more.
Provides a single point of access to research data, including data sets, tables and figures, and published studies, from repositories across disciplines and around the world.
Access statistical datasets from a wide variety of organizations and agencies, and create your own unique charts and graphs directly from Data-Planet's interface.
The site presents all 13 volumes published to date by the editors of the Einstein Papers Project, covering the writings and correspondence of Albert Einstein. The volumes are presented in the original language version with in-depth English language annotation, plus an English language translation is available for most documents.
Contains 600 videos of physics experiments available for viewing and downloading. Each video illustrates a particular principle of physics. The demonstrations are augmented by slow-motion photography and animation.
A collection of information sources on space weather, "the variable conditions on the Sun, throughout space, and in the Earth's magnetic field and upper atmosphere."