Wikipedia. Wikipedia encyclopedia languages with over 50000 article ' @; t& g1 W! H) b! M1 A9 L, O* A3 h/ @0 V% W! }( x6 O
Merriam Webster Dictionary. Provides a free online dictionary with audio pronucation and thesaurus." H5 y2 v( n; B% S3 Z3 C
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Cambridge Online Dictionary. It contains English words, idioms and phrases. P7 O8 J; w- e% `9 F' ? C% c
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Encyclopedia. Online Encyclopedia with good amount of articles. 7 `$ @" m; e3 S- T, Z+ B+ q) N" d: h
How Stuff Works. This is a site that can answer how almost everything works.