coherent light communication
81police — /peuh lees /, n., v., policed, policing. n. 1. Also called police force. an organized civil force for maintaining order, preventing and detecting crime, and enforcing the laws. 2. (used with a pl. v.) members of such a force: Several police are… …
82space exploration — Investigation of the universe beyond Earth s atmosphere by means of manned and unmanned spacecraft. Study of the use of rockets for spaceflight began early in the 20th century. Germany s research on rocket propulsion in the 1930s led to… …
83philosophy, Western — Introduction history of Western philosophy from its development among the ancient Greeks to the present. This article has three basic purposes: (1) to provide an overview of the history of philosophy in the West, (2) to relate… …
84Electron — For other uses, see Electron (disambiguation). Electron Experiments with a Crookes tube first demonstrated the particle nature of electrons. In this illustration, the profile of the cross shaped target is projected against the tube face at right… …
85Søren Kierkegaard — Søren Aabye Kierkegaard Sketch of Søren Kierkegaard by Niels Christian Kierkegaard, c. 1840 Full name Søren Aabye Kierkegaard Born 5 May 1813 Copenhagen, Denmark Died 11 November 1855 …
86Spiritualism — Not to be confused with Spirituality. This article is about the religion. For other uses of spiritualism, see Spiritualism (disambiguation). By 1853, when the popular song Spirit Rappings was published, Spiritualism was an object of intense… …
87rhetoric — /ret euhr ik/, n. 1. (in writing or speech) the undue use of exaggeration or display; bombast. 2. the art or science of all specialized literary uses of language in prose or verse, including the figures of speech. 3. the study of the effective… …
88Brain–computer interface — Neuropsychology Topics Brain computer interface …
89Truth — For other uses, see Truth (disambiguation). Time Saving Truth from Falsehood and Envy, François Lemoyne, 1737 Truth has a variety of meanings, such as the state of being in accord with fact or reality …
90Distributed operating system — A distributed operating system is the logical aggregation of operating system software over a collection of independent, networked, communicating, and spatially disseminated computational nodes.[1] Individual system nodes each hold a discrete… …
