acoustical speech power
71Civil engineering — The Petronas Twin Towers, designed by architect Cesar Pelli and Thornton Tomasetti and Ranhill Bersekutu Sdn Bhd engineers, were the world s tallest buildings from 1998 to 2004. Civil engineering is a professional engineering discipline that… …
72Cyborg — For other uses, see Cyborg (disambiguation). Part of the series on Cyborgs Cyborgology Bionics / Biomimicry Biomedical engineering Brain computer interface Cybernetics Distributed cognition Genetic engineering Human ecosystem Human enhanceme …
73Columbia, South Carolina — For other uses, see Columbia (disambiguation). Columbia   State Capital   City of Columbia …
74Construction — For other uses, see Construction (disambiguation). In large construction projects, such as this skyscraper in Melbourne, cranes are essential. In the fields of architecture and civil engineering, construction is a process that consists of the… …
75Transducer — A transducer is a device, usually electrical, electronic, electro mechanical, electromagnetic, photonic, or photovoltaic that converts one type of energy or physical attribute to another for various purposes including measurement or information… …
76Active noise control — (ANC) (also known as noise cancellation, active noise reduction (ANR) or antinoise) is a method for reducing unwanted sound. Contents 1 Explanation 2 Applications 3 See also 4 …
77Tribology — is the science and engineering of interacting surfaces in relative motion. It includes the study and application of the principles of friction, lubrication and wear. Tribology is a branch of mechanical engineering. Contents 1 Fundamentals 1.1… …
78Diffusion of innovations — The diffusion of innovations according to Rogers. With successive groups of consumers adopting the new technology (shown in blue), its market share (yellow) will eventually reach the saturation level. In mathematics the S curve is known as the… …
79Technological change — Original model of three phases of the process of Technological Change Technological change (TC) is a term that is used to describe the overall process of invention, innovation and diffusion of technology or processes[1][2]. Th …
80Ammunition — This article is about ammunition for firearms and artillery. For the product design company, see Ammunition Design Group. A belt of 0.50 caliber ammunition loaded to a …
