Superconductors.org, a non-profit, non-affiliated Website, provides this clear introduction to the world of superconductors. Starting appropriately with Heike Kamerlingh Onnes, the first man to observe superconductivity in 1911, a history of superconductors section familiarizes students and laymen with the development of materials that have no resistance to the flow of electricity. Subsequent sections include uses for superconductors, various types of superconductors, links to current superconductor news, and patents. Along with a section containing links to other superconductor sites, relevant internal links occur within the text.