Browse "Science & Technology"

Displaying 181-195 of 785 results

  • Macleans

    Colon Cancer in Decline

    In July, 1994, Cindy Stewart was playing first base in a Vancouver softball game when she stretched to catch a ball - and felt a sharp pain in her lower abdomen. When the pain persisted, Stewart checked into hospital and, after testing, was diagnosed with colon cancer.This article was originally published in Maclean's Magazine on September 8, 1997

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  • Article

    Columbium

    Columbium (Cb), or niobium, is a grey, ductile, tarnish-resistant and superconductive metal with a melting point of 2468°C. The name niobium (Nb) was officially adopted in 1951 by the International Union of Pure and Applied Chemistry, after 100 years of controversy.

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  • Macleans

    Comet Hale-Bopp Puts on a Show

    Thomas Bopp is a big, broad-shouldered man with a deep voice, a quiet demeanor and a look on his face that suggests he would like to get this experience over quickly. The 47-year-old amateur astronomer from Phoenix, Ariz.This article was originally published in Maclean's Magazine on March 10, 1997

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  • Article

    Commodities in Canada

    In commerce, commodities are interchangeable goods or services. Many natural resources in Canada are viewed as commodities. They are a major source of the country’s wealth. Examples of commodities include a barrel of crude oil, an ounce of gold, or a contract to clear snow during the winter. Commodity products often supply the production of other goods or services. Many are widely traded in futures exchanges (see Commodity Trading). 

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  • Article

    Commodity Inspection and Grading

    Commodity Inspection and GradingCanada's AGRICULTURE AND FOOD inspection and grading system has 2 major goals: first, it endeavours to provide standards of quality and grades that are readily recognizable and acceptable in domestic and international commodity and food markets; second, it attempts to encourage concern for safety and nutrition in the processing, distribution and retailing of food products. Both of these objectives contribute to consumer protection. Commodity inspection and grading have a long history in...

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  • Article

    Communication Studies

    Research may focus on a variety of topics. Mass media are studied for the content of their programs, the way those programs are produced and the impact of various influences on programming. Media economic structure and the media's role in political life are also topics of research.

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  • Article

    Communications

    Communications influence all societies, but Canada in particular takes its shape and meaning from communications systems.

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  • Article

    Communications in Québec

    What is distinctive about communications in Québec is the existence of 2 often competing media serving different cultures and, above all, the ways in which francophone media have expressed or reinforced the character of French Canada.

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  • Article

    Communications in the North

    Communications have played a special role in the North. Terrain, climate and distance made it difficult for northerners to communicate with each other or with southern Canada before the advent of electronic media. In traditional times, Inuit messages were passed through personal contact.

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  • Article

    Computer-Assisted Learning

    Computer-Assisted Learning is an encompassing term which generally refers to 3 major uses of computers in education and training.

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  • Article

    Computer-Assisted Mapping

    One of the fundamental changes to cartography during the 20th century has been the introduction and use of computers and computer-driven machinery (especially drawing and graphic devices) to mapping.

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  • Article

    Computer Communications

    Like most modern communication technologies, the computer had its origins in the military.

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  • Article

    Computer Industry

    Hardware Historically, computer hardware has been divided into 3 broad classes: large mainframe computers, somewhat smaller minicomputers and the personal computers (PCs) or microcomputers that have become familiar office and home fixtures since the mid-1980s.

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  • Article

    Computer Science

    During the 1950s, 4 main areas of focus emerged. "Hardware" concentrated on the construction of reliable equipment with faster central-processing units (CPUs), larger memories and more input and output devices to solve increasingly ambitious problems.

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  • Article

    Computer Systems Applications

    MATHEMATICS spawned the computer in the 1940s and gave it its name. Its first application was the computation of theoretical ballistic tables for traditional bombs, but calculations for the atomic bomb and then for guided missiles soon became the driving force for computer development.

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