stick to (one's) principles
51technology, history of — Introduction the development over time of systematic techniques for making and doing things. The term technology, a combination of the Greek technē, “art, craft,” with logos, “word, speech,” meant in Greece a discourse on the arts, both… …
52Wing Chun — A wing chun front kick (right) against a turning kick. This illustrates the principles of centerline and simultaneous attack and defence. Also known as Wing Tsun, Ving Tsun Focus Striking, Trapping …
53Vovinam — 200px Also known as Vovinam Việt Võ Đạo Focus Hybrid Country of origin Vietnam Creator Nguyễn Lộc Famous practitioners …
54Sundial — A sundial is a device that measures time by the position of the Sun. In common designs such as the horizontal sundial, the sun casts a shadow from its style (a thin rod or a sharp, straight edge) onto a flat surface marked with lines indicating… …
55Chinese martial arts — Kung fu redirects here. For other uses, see Kung fu (disambiguation). Wushu Traditional Chinese 武術 Literal meaning martial art …
56Thales — Infobox Philosopher color = #B0C4DE Thales image caption = Thales name = Thales of Miletos (Θαλής ο Μιλήσιος) birth = ca. 624–625 BC death = ca. 547–546 BC school tradition = Ionian Philosophy, Milesian school, Naturalism main interests = Ethics …
57HIV test — Randall L. Tobias, former U.S. Global AIDS Coordinator, being publicly tested for HIV in Ethiopia in an effort to reduce the stigma of being tested.[1] HIV tests are used to detect the presence of the human immunodeficiency virus (HIV), the virus …
58Flight control surfaces — Aircraft flight control surfaces allow a pilot to adjust and control the aircraft s flight attitude.Development of an effective set of flight controls was a critical advance in the development of the aircraft. Early efforts at fixed wing aircraft …
59Shintō Musō-ryū — (神道夢想流) Traditional Japanese martial art Foundation Founder Musō Gonnosuke Katsuyoshi (夢想 權之助 勝吉, fl. c.160 …
60chemistry — /kem euh stree/, n., pl. chemistries. 1. the science that deals with the composition and properties of substances and various elementary forms of matter. Cf. element (def. 2). 2. chemical properties, reactions, phenomena, etc.: the chemistry of… …
