Locating
81Amateur astronomy — Amateur astronomy, a subset of astronomy, is a hobby whose participants enjoy studying and observing celestial objects. Overview The typical amateur astronomer is one who does not depend on the field of astronomy as a primary source of income or… …
82Artillery — For other uses of the term, see Artillery (disambiguation). Warfare Military history Eras Prehistoric Ancient …
83Enhanced 911 — Enhanced 9 1 1 or E9 1 1 service is a North American telecommunications based system that automatically associates a physical address with the calling party s telephone number, and routes the call to the most appropriate Public Safety Answering… …
84German auxiliary cruiser Kormoran — Kormoran redirects here. For other uses, see Kormoran (disambiguation). Auxiliary cruiser Kormoran meets a German U boat at sea Career (Nazi Germany) …
85Clinical trial — Clinical trials are a set of procedures in medical research and drug development that are conducted to allow safety (or more specifically, information about adverse drug reactions and adverse effects of other treatments) and efficacy data to be… …
86Context awareness — is defined complementary to location awareness. Whereas location may serve as a determinant for resident processes, context may be applied more flexibly with mobile computing with any moving entities, especially with bearers of smart… …
87Diving equipment — Surface supplied commercial diving equipment on display at a trade show Diving equipment is equipment used by underwater divers for the purpose of facilitating diving activities. This may be equipment primarily intended for this purpose, or… …
88Suffix tree — In computer science, a suffix tree (also called suffix trie, PAT tree or, in an earlier form, position tree) is a data structure that presents the suffixes of a given string in a way that allows for a particularly fast implementation of many… …
89Fossil collecting — Collecting fossilized shark s teeth is an easy way to begin collecting fossils. They are often found in abundance on public beaches. The teeth shown here were collected in Castle Hayne, North Carolina, and are from the Eocene and Cretaceous …
90Anti-submarine weapon — An anti submarine weapon is any one of a range of devices that are intended to act against a submarine, and its crew, to destroy (sink) the vessel or to destroy or reduce its capability as a weapon of war. An anti submarine weapon can be… …
