change over mechanism
121Open-source governance — Part of the Politics series Basic forms of government Aristocracy Autocracy …
122Metaphysics — 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 …
123Hadley Centre for Climate Prediction and Research — For the historic district in Massachusetts, see Hadley Center Historic District. The Met Office Hadley Centre for Climate Change named in honour of George Hadley is part of, and based at the headquarters of the Met Office in Exeter. The Hadley… …
124Peppered moth evolution — This article is about the peppered moth s significance in evolutionary biology. For its evolutionary ancestry, see Insect evolution. Biston betularia f. typica, the white bodied peppered moth …
125Classical guitar making — A person who is specialized in the making of stringed instruments such as guitars, lutes and violins is called a luthier. Contents 1 Skills 1.1 Shaping of wood with acoustics and resonance aims 1.2 Sound characteristics (Timbre) …
126Glass ionomer cement — A Glass Ionomer Cement (GIC) is one of a class of materials commonly used in dentistry as filling materials and luting cements. These materials are based on the reaction of silicate glass powder and polyalkeonic acid. These tooth coloured… …
127Technology of the Song Dynasty — The Song Dynasty ( zh. 宋朝; 960–1279 CE) provided some of the most significant technological advances in Chinese history, many of which came from talented statesmen drafted by the government through imperial examinations.The ingenuity of advanced… …
128Geophysical MASINT — is a branch of Measurement and Signature Intelligence (MASINT) that involves phenomena transmitted through the earth (ground, water, atmosphere) and manmade structures including emitted or reflected sounds, pressure waves, vibrations, and… …
