(of impact mill)
71Inventions in medieval Islam — A significant number of inventions were developed in the medieval Islamic world, a geopolitical region that has at various times extended from Al Andalus and Africa in the west to the Indian subcontinent and Malay Archipelago in the east.… …
72energy conversion — ▪ technology Introduction the transformation of energy from forms provided by nature to forms that can be used by humans. Over the centuries a wide array of devices and systems has been developed for this purpose. Some of these energy …
73technology, 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… …
74Economics — This article is about the social science. For other uses, see Economics (disambiguation). For a topical guide to this subject, see Outline of economics. Economics …
75Company rule in India — For usage, see British Empire in India Company rule in India Colony of the East India Company ↓ …
76Islamic Golden Age — The Islamic Golden Age, also sometimes known as the Islamic Renaissance, [Joel L. Kraemer (1992), Humanism in the Renaissance of Islam , p. 1 148, Brill Publishers, ISBN 9004072594.] was traditionally dated from the 8th century to the 13th… …
77political economy — political economist. 1. a social science dealing with political policies and economic processes, their interrelations, and their influence on social institutions. 2. (in the 17th 18th centuries) the art of management of communities, esp. as… …
78Nuclear energy policy of the United States — For other uses, see Nuclear policy of the United States. George W. Bush signing the Energy Policy Act of 2005, which gave extensive funding and aid to help reinvigorate the nuclear industry in America. The nuclear energy policy of the United… …
79Alfred Russel Wallace — Infobox Scientist name = Alfred Russel Wallace image width = 200px caption = Alfred Russel Wallace birth date = birth date|1823|1|8|df=yes birth place = Usk, Monmouthshire, Wales death date = death date and age|1913|11|7|1823|1|8|df=yes death… …
80Architecture of Birmingham — Although Birmingham in England has existed as a settlement for over 1,000 years, today s city is overwhelmingly a product of the 18th, 19th, and 20th centuries, with little surviving from its early history. As it has expanded, it has acquired a… …
