deducing
81Key — may refer to: Building* Key, Carpentry: timber or metal wedges used across or between two or more members to act as a tightening agent. * Key, Painting: to rough the surface of previous coats of paint to allow a secure bond for the next or top… …
82Law of definite proportions — In chemistry, the law of definite proportions, sometimes called Proust s Law, states that a chemical compound always contains exactly the same proportion of elements by mass. An equivalent statement is the law of constant composition, which… …
83Metaphysics — This article is about the branch of philosophy dealing with theories of existence and knowledge. For the work of Aristotle, see Metaphysics (Aristotle). For the occult field, see Metaphysics (supernatural). Philosophy …
84Do Androids Dream of Electric Sheep? —   …
85Political science — For the Randy Newman song of the same name, see Political Science (song). Part of the Politics series Politics …
86Roger 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 …
87Science — This article is about the general term, particularly as it refers to experimental sciences. For the specific topics of study by scientists, see Natural science. For other uses, see Science (disambiguation) …
88The Time Machine — This article is about the novel by H.G. Wells. For other uses, see The Time Machine (disambiguation). The Time Machine   …
89Ultra — (sometimes capitalised ULTRA) was the name used by the British for intelligence resulting from decryption of encrypted German radio communications in World War II. The term eventually became the standard designation in both Britain and the United …
90Unidentified flying object — UFO redirects here. For other uses, see UFO (disambiguation). Photograph of alleged UFO, New Jersey, July 31, 1952 A term originally coined by …
