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HowStuffWorks explains hundreds of subjects, from car engines to lock-picking to ESP, using clear language and tons of illustrations. We do the resear

Jefferson Lab

Enter the world of Science Bob to try lots of home experiments, watch experiment videos, and get science fair ideas.

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

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...

Infoplease.com, a free, authoritative, and respected reference for Internet users, provides a comprehensive encyclopedia, almanac, atlas, dictionary, and thesaurus. Infoplease.com contains facts on all subjects including sports, entertainment, techno...

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

Online Dictionary - Multiple dictionaries including: English dictionary, medical dictionary, legal dictionary, financial dictionary, computer dictionary, thesaurus, dictionary of acronyms and abbreviations, dictionary of idioms, thesaurus, Columbia e...