On Line References and Data

WikipediaWikipedia is a multilingual, Web-based, free-content encyclopedia project. Articles in Wikipedia are written collaboratively by volunteers from all around the world. As of January 2012, there are editions of Wikipedia in 283 languages. It has become the largest and most popular general reference work on the Internet.
Your DictionaryYourDictionary: the last word in words.
Exploratorium - the museum of science, art and human perceptionThe Exploratorium isn't just a museum; it's an ongoing exploration of science, art, and human perception - a vast collection of online interactives, web features, activities, programs, and events that feed your curiosity.
Today's Front PagesThe Today's Front Pages section of the Newseum web site displays daily newspaper front pages from throughout the world in their original, unedited form. Some front pages may contain material that is objectionable to some visitors. Viewer discretion is advised.
Wonder How ToWonderHowTo.com is a community-fueled, search engine and directory for Free How-To Video. We provide the largest, most contemporary, and most diverse resource in this increasingly vibrant space.
FixYa solutions for every thingIn 2005, too many product manufacturers were neglecting post-purchase customer support. Frustrated by the lack of practical post-purchase information, entrepreneur Yaniv Bensadon set out to build a community resource capable of providing relevant and up-to-date troubleshooting data. Bensadon and his small team began aggregating practical product tips and providing then in one user-friendly site. This site became the home of the FixYa community.
Data.govThe purpose of Data.gov is to increase public access to high value, machine readable datasets generated by the Executive Branch of the Federal Government. Although the initial launch of Data.gov provides a limited portion of the rich variety of Federal datasets presently available, we invite you to actively participate in shaping the future of Data.gov by suggesting additional datasets and site enhancements to provide seamless access and use of your Federal data. With your help, Data.gov will continue to grow and change in the weeks, months, and years ahead.