correcting pencil
21History of mathematics — A proof from Euclid s Elements, widely considered the most influential textbook of all time.[1] …
22Microscopy — is the technical field of using microscopes to view samples and objects that cannot be seen with the unaided eye (objects that are not within the resolution range of the normal eye). There are three well known branches of microscopy, optical,… …
23Marching band — For the Swedish band, see Marching Band (band). Goin Band from Raiderland, a college marching band in the United States Video of the Tennessee Volunteers Pride of …
24Sunglasses — For the Divine Brown song, see Sunglasses (song). Wearing sunglasses under direct sunlight: Large lenses offer good protection, but broad temple arms are also needed against stray light from the sides. Sunglasses or sun glasses are a form of… …
25English-language editions of The Hobbit — This list contains only complete, printed English language editions of The Hobbit . It is not for derived or unprinted works such as screenplays, graphic novels, or audio books.Criteria for separate editionsFor this list, a printing is a separate …
26Spontaneous order — See also the closely related articles: emergence and self organization. Spontaneous order is a term that describes the spontaneous emergence of order out of seeming chaos. It is also a social theory that describes the emergence of various kinds… …
27Kabuki (comics) — Cover of Kabuki: Skin Deep Kabuki is a comic book series created by artist and writer David Mack, first published in 1994 by Caliber Press and later by Image Comics. It is a story of an assassin who struggles with her identity in near future… …
28Irving S. Reed — Infobox Scientist name = Irving S. Reed image width = 125px birth date =1923 death date = residence = USA alma mater = California Institute of Technology field = Information theory, Coding theory known for = Reed Solomon code, Reed Muller… …
29Social Norms Approach — The social norms approach is an environmental strategy gaining ground in health campaigns Perkins, H. W. (2003). The Social Norms Approach to Preventing School and College Age Substance Abuse: A Handbook for Educators, Counselors, and Clinicians …
30Charlotte Mason — For the American philanthropist and socialite see Charlotte Osgood Mason. Charlotte Maria Shaw Mason Born 1 January 1842 Bangor, Gwynedd Died 16 January 1923(1923 01 16) (aged 81) …
