Welcome!
Useful Websites:
Bing/Babelfish (translator) http://www.bing.com/translator/
Brightstorm (helpful videos in various subjects) https://www.brightstorm.com/
Cast Science Writer (type science papers) http://sciencewriter.cast.org/welcome;jsessionid=3FA606F7A6A3C7568DB80B0AAEEE67F9
Convert Anything to Anything (formulas and such) http://www.onlineconversion.com/
Digital History (online database of historical materials) http://www.digitalhistory.uh.edu/
Gilder Lehrman Collection (history source materials) http://www.gilderlehrman.org/collections
NASA (official website) http://www.nasa.gov/
Project Gutenberg (free ebooks online) http://www.gutenberg.org/
Road to Revolution (test your knowledge) http://www.pbs.org/ktca/liberty/road.html
Wordle (get creative) http://www.wordle.net/
Google Earth (download) https://www.google.com/earth/