first-order triangulation
91Spherical Earth — Medieval artistic representation of a spherical Earth with compartments representing earth, air, and water (c. 1400). The concept of a spherical Earth dates back to ancient Greek philosophy from around the 6th century BC …
92Homology sphere — In algebraic topology, a homology sphere is an n manifold X having the homology groups of an n sphere, for some integer n ≥ 1. That is, we have: H 0( X ,Z) = Z = H n ( X ,Z)and : H i ( X ,Z) = {0} for all other i .Therefore X is a connected space …
93Direction finding — (DF) refers to the establishment of the direction from which a received signal was transmitted. This can refer to radio or other forms of wireless communication. By combining the direction information from two or more suitably spaced receivers… …
94Morea expedition — v · …
95iPhone — This article is about the line of smartphones by Apple. For other uses, see iPhone (disambiguation). The iPhone 4S, the most recent generation of the iPhone iPhone models …
96iOS version history — Contents 1 Overview 2 Versions 2.1 Unreleased versions …
97Family therapy — Intervention ICD 9 CM 94.42 MeSH …
98Peirce, Charles Sanders — born Sept. 10, 1839, Cambridge, Mass., U.S. died April 19, 1914, near Milford, Pa. U.S. scientist, logician, and philosopher. He was the son of the mathematician and astronomer Benjamin Peirce (1809–80). After attending Harvard University he… …
99ʿAjā'ib al-makhlūqāt wa gharā'ib al-mawjūdāt — (Arabic: عجائب المخلوقات و غرائب الموجودات, meaning Marvels of creatures and Strange things existing) is an important work of cosmography by Zakariya ibn Muhammad ibn Mahmud Abu Yahya al Qazwini who was born in Qazwin year 600 (AH)/1203.… …
100Hawking radiation — is a thermal radiation with a black body spectrum predicted to be emitted by black holes due to quantum effects. It is named after the physicist Stephen Hawking, who provided a theoretical argument for its existence in 1974, and sometimes also… …
