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71One-time pad — Excerpt from a one time pad In cryptography, the one time pad (OTP) is a type of encryption, which has been proven to be impossible to crack if used correctly. Each bit or character from the plaintext is encrypted by a modular addition with a bit …
72Predestination — Predestination, in theology is the doctrine that all events have been willed by God. John Calvin interpreted biblical predestination to mean that God willed eternal damnation for some people and salvation for others.[1] Explanations of… …
73Periodization — is the attempt to categorize or divide time into named blocks. The result is a descriptive abstraction that provides a useful handle on periods of time with relatively stable characteristics. However, determining the precise beginning and ending… …
74Roger Bacon — For the Nova Scotia premier, see Roger Stuart Bacon. Roger Bacon Order of Friars Minor Statue of Roger Bacon in the Oxford University Museum Born c …
75Road — This article is about a route, thoroughfare or way that supports travel by a means of conveyance. For a place outside a harbor where a ship can lie at anchor, see Roadstead. For public roads, see Highway. For other routes, see thoroughfare. For… …
76Rhythm — For other uses, see Rhythm (disambiguation). Rhythm, a sequence in time repeated, featured in dance: an early moving picture demonstrates the waltz …
77Rocket — This article is about vehicles powered by rocket engines. For other uses, see Rocket (disambiguation). A Soyuz U, at Baikonur Site 1/5 A rocket is a missile, spacecraft, aircraft or other vehicle which obtains thrust from a rocket engi …
78Rose — For other uses, see Rose (disambiguation). Rose …
79Socrates — Infobox Philosopher region = Western Philosophy era = Ancient philosophy color = #B0C4DE image caption = Socrates name = (Polytonic|Σωκράτης) birth = c. 469 / 470 BCcite web url = http://www.1911encyclopedia.org/Socrates %28philosopher%29… …
80Shamanism — Shaman redirects here. For other uses, see Shaman (disambiguation). Russian postcard based on a photo taken in 1908 by S. I. Borisov, showing a female shaman, of probable Khakas ethnicity.[1] Shamanism is an anthropological term referencing a… …
