The NOVA mini-series The Elegant Universe, watch all three one hour episodes here, divided into chapters, available in the QuickTime or RealPlayer plug-ins.
arXiv.org (genannt „The Archive“) ist ein Archiv für Preprints (auch e-prints oder eprints genannt) aus den Bereichen Physik, Mathematik, Informatik und Biologie.
a not-for-profit organization with videos on YouTube covering everything from basic arithmetic and algebra to differential equations, physics, chemistry, biology and finance which have been recorded by Salman Khan
arXiv.org (genannt „The Archive“) ist ein Archiv für Preprints (auch e-prints oder eprints genannt) aus den Bereichen Physik, Mathematik, Informatik und Biologie.
Eric Weisstein's World of Science is written and maintained by the author as a public service for scientific knowledge and education. Although it is often difficult to find explanations for technical subjects that are both clear and accessible, this web s
Meaningful Correlations in Random Data. Collects data continuously from a global network of physical random number generators located in 65 host sites around the world. The archive contains more than 10 years of random data in parallel sequences of synchronized 200-bit trials every second.