HEATKEYS

The home page for the American Memory Historical Collections from the Library of Congress. American Memory provides free access to historical images, maps, sound recordings, and motion pictures that document the American experience. American Memory o...

Explore the updated online encyclopedia from Encyclopaedia Britannica with hundreds of thousands of articles, biographies, videos, images, and web sites.

For the student or professional - famous inventors and inventions - history timelines - patents trademarks and copyrights - manufacturing resources - interviews with successful inventors - understanding the business of how to sell or license your new...

YouTube is a place to discover, watch, upload and share videos.

Dictionary.com - the largest and most trusted free online dictionary. Instantly look up accurate and extensive definitions and word meanings, and hear audio pronunciations.

Definition of word from the Merriam-Webster Online Dictionary with audio pronunciations, thesaurus, Word of the Day, and word games.

BioShock Wiki is a comprehensive database for the ''BioShock'' video game series. The wiki is dedicated to preserving all information related to the worlds of Rapture and Columbia, including characters, enemies, weapons, items, walkthroughs and more!

Wordnik: Dictionary Definitions and Example Sentences

Free online English dictionary from Oxford, plus thesaurus, word of the day, resume examples, letter writing, and English grammar