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111Musical instrument — A musical instrument is a device created or adapted for the purpose of making musical sounds. In principle, any object that produces sound can serve as a musical instrument it is through purpose that the object becomes a musical instrument. The… …
112Philology — See comparative linguistics for the narrower field of comparative philology . Philology, derived from the Greek gr. φιλολογία ( philologia [ [http://www.perseus.tufts.edu/cgi bin/ptext?doc=Perseus%3Atext%3A1999.04.0057%3Aentry%3D%23111282… …
113Positron emission tomography — (PET) is a nuclear medicine imaging technique which produces a three dimensional image or map of functional processes in the body. The system detects pairs of gamma rays emitted indirectly by a positron emitting radionuclide (tracer), which is… …
114Wheel of the Year — Sabbats redirects here. For other uses of sabbat or sabbath, see Sabbath (disambiguation). For Wheel of time, see Wheel of time (disambiguation). This article is about the modern Wiccan Sabbat. For the historical and legendary Witches Sabbath,… …
115Burrows-Wheeler transform — The Burrows Wheeler transform (BWT, also called block sorting compression), is an algorithm used in data compression techniques such as bzip2. It was invented by Michael Burrows and David Wheeler in 1994 while working at DEC Systems Research… …
116Dresden — This article is about the city in Germany. For other places named Dresden, and other uses of the word, see Dresden (disambiguation). Dresden …
117Nyquist–Shannon sampling theorem — Fig.1: Hypothetical spectrum of a bandlimited signal as a function of frequency The Nyquist–Shannon sampling theorem, after Harry Nyquist and Claude Shannon, is a fundamental result in the field of information theory, in particular… …
118Direct-sequence spread spectrum — Passband modulation v · d · e Analog modulation AM · …
119Big Bang nucleosynthesis — In physical cosmology, Big Bang nucleosynthesis (or primordial nucleosynthesis) refers to the production of nuclei other than those of H 1 (i.e. the normal, light isotope of hydrogen, whose nuclei consist of a single proton each) during the early …
120Neanderthal — For other uses, see Neanderthal (disambiguation). Neanderthal Temporal range: Middle to Late Pleistocene 0.6–0.03 Ma …
