superior difficulty
51Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity. Computer scientist Manindra Agrawal of the… …
52technology, 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… …
53Existence of God — The Existence of God † Catholic Encyclopedia ► The Existence of God The topic will be treated as follows: I. As Known Through Natural Reason A. The Problem Stated 1. Formal Anti Theism 2. Types of Theism B.… …
54Matteo Ricci — Matteo Ricci † Catholic Encyclopedia ► Matteo Ricci Founder of the Catholic missions of China, b. at Macerata in the Papal States, 6 Oct. 1552; d. at Peking, 11 May, 1610. Ricci made his classical studies in his native town,… …
55St. Alphonsus Liguori — St. Alphonsus Liguori † Catholic Encyclopedia ► St. Alphonsus Liguori Born at Marianella, near Naples, 27 September, 1696; died at Nocera de Pagani, 1 August, 1787. The eighteenth century was not an age remarkable for depth of… …
56Grade (climbing) — Rock climbing History Styles Technique Equipment and protection Grades (difficulty of climb) Terminology Belaying Abseiling …
57Ironclad warship — An ironclad was a steam propelled warship of the later 19th century, protected by iron or steel armor plates. [Hill, Richard. War at Sea in the Ironclad Age ISBN 0 304 35273 X; p.17] The ironclad was developed as a result of the vulnerability of… …
58Naval tactics in the Age of Sail — A 17th century Spanish galleon Naval tactics in the Age of Sail were used from the early 17th century onward when sailing ships replaced oared galleys. These were used until the 1860s when steam powered ironclad warships rendered sailing line of… …
59military technology — Introduction range of weapons, equipment, structures, and vehicles used specifically for the purpose of fighting. It includes the knowledge required to construct such technology, to employ it in combat, and to repair and replenish it.… …
60Catholicity in Canada — Catholicity in Canada † Catholic Encyclopedia ► Catholicity in Canada The subject will be treated under three headings: I. Period of French domination, from the discovery of Canada to the Treaty of Paris, in 1763; II. Period… …
