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Cross-section of the first subway For the first IRT subway line, pictured at 59th Street – Columbus Circle, cut-and-cover was used as a form of construction. Recent projects, like the extension of the IRT Flushing Line (pictured) use tunnel boring machines to build the subway tunnels.
Standard North American installation of a combination hot box / dragging equipment detector. A defect detector is a device used on railroads to detect axle and signal problems in passing trains.
World Wide Technology, Inc. (WWT) is a privately-held technology services provider based in St. Louis, Missouri. The company has an annual revenue of $17.0 billion (the 27th largest private company in the US [ 1 ] and the biggest black-owned company in the US [ 2 ] [ 3 ] ) and employs over 9,000 people.
Science and technology in Switzerland play an important role in the Swiss economy, which has very few natural resources that are available in the country. The Swiss National Science Foundation , mandated by the Federal government, is the most important institute for promoting scientific research.
With this technique, a laser is kept pointed at the target and the laser radiation bounces off the target and is scattered in all directions (this is known as "painting the target", or "laser painting"). The missile, bomb, etc. is launched or dropped somewhere near the target.
The European Rail Traffic Management System (ERTMS) is the system of standards for management and interoperation of signalling for railways by the European Union (EU). It is conducted by the European Union Agency for Railways (ERA) and is the organisational umbrella for the separately managed parts of
Main Building of the Budapest University of Technology and Economics, it is the oldest Institute of technology in the world, founded in 1782 Research and development centre of Gedeon Richter Plc. in Budapest, one of the largest biotechnology company in Central and Eastern Europe László Lovász was awarded the Wolf Prize and the Knuth Prize in 1999, and the Kyoto Prize in 2010; he is the ...
The history of technology is the history of the invention of tools and techniques by humans. Technology includes methods ranging from simple stone tools to the complex genetic engineering and information technology that has emerged since the 1980s.