flat pulse
71Laser engraving — is the practice of using lasers to engrave or mark an object. The technique can be very technical and complex, and often a computer system is used to drive the movements of the laser head. Despite this complexity, very precise and clean… …
72Tweel — This article is about a tire. For the fictional Martian, see Tweel (A Martian Odyssey). The Tweel tire design The Tweel (a portmanteau of tire and wheel) is an experimental tire design developed by the French tire company Michelin. The tire uses… …
73Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… …
74cardiovascular disease — Introduction any of the diseases, whether congenital or acquired, of the heart and blood vessels (blood vessel). Among the most important are atherosclerosis, rheumatic heart disease, and vascular inflammation. Cardiovascular diseases are a …
75Voice over IP — Digital voice redirects here. For the commercial service, see Comcast Digital Voice. Voice over Internet Protocol (Voice over IP, VoIP) is a family of technologies, methodologies, communication protocols, and transmission techniques for the… …
76rate — I n. amount in relation to something else 1) to fix, set a rate 2) a fast; flat; high; low; moderate; slow; steady rate 3) bargain; reasonable; reduced; regular rates 4) an accident; birth; crime; death; divorce; fertility; growth; marriage;… …
77Clavier-Übung III — Johann Sebastian Bach, 1746 The Clavier Übung III, sometimes referred to as the German Organ Mass, is a collection of compositions for organ by Johann Sebastian Bach, started in 1735–6 and published in 1739. It is considered to be Bach s most… …
78John Adams (composer) — John Coolidge Adams (born February 15, 1947) is an American composer with strong roots in minimalism. He is best known for his opera Nixon in China (1985 ndash;87), recounting Richard Nixon s 1972 visit to China. His choral piece On the… …
79Comparison of display technology — This is a comparison of various properties of different display technologies. Further information: Comparison CRT, LCD, Plasma and History of display technology Contents 1 General characteristics 2 Temporal characteristics 3 See also …
80Nordström's theory of gravitation — In theoretical physics, Nordström s theory of gravitation was a predecessor of general relativity. Strictly speaking, there were actually two distinct theories proposed by the Finnish theoretical physicist Gunnar Nordström, in 1912 and 1913… …
