Browse "Science & Technology"

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  • Article

    1890 Flu Pandemic in Canada

    The 1889–90 flu, sometimes called the Russian or Asiatic flu, has been described as the first global influenza pandemic. It spread along modern transportation routes, especially railway networks. Canada experienced outbreaks across the country. While this pandemic was less deadly than the next major flu in 1918, its survivors may have been at greater risk than others during the 1918 pandemic.

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  • Article

    1918 Spanish Flu in Canada

    The most damaging pandemic of influenza — for Canada and the world — was an H1N1 virus that appeared during the First World War. Despite its unknown geographic origins, it is commonly called the Spanish flu. In 1918–19, it killed between 20 and 100 million people, including some 50,000 Canadians.

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  • Article

    Health of Indigenous Peoples in Canada

    Prior to colonization, Indigenous Peoples possessed rich and diverse healing systems. Settlers’ introduction of new and contagious diseases placed these healing systems under considerable strain. Europeans also brought profound social, economic and political changes to the well-being of Indigenous communities. These changes continue to affect the health of Indigenous Peoples in Canada today. (See also Social Conditions of Indigenous Peoples in Canada and Economic Conditions of Indigenous Peoples in Canada.)

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  • Article

    Accommodation

    Accommodation, first successful steamboat built entirely in North America. It was launched 19 August 1809 at Montréal, its engines having been constructed at the Forges Saint-Maurice, Trois-Rivières.

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  • Article

    Aerodynamics

    Viscosity is the ability of a flowing liquid or gas to develop internal shear stresses that resist flow. In air, viscous forces are generally small in comparison with inertia forces, a condition which leads to flow instability and turbulence.

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  • Article

    Canadian Aerospace Industry

    The aerospace industry includes the development and production of aircraft, satellites, rockets and their component parts. Aerospace is a major component of Canada’s economy, employs tens of thousands of Canadians, and accounts for a large part of Canadian trade with foreign markets. Canada boasts a diverse aerospace sector and is one of just a few countries that produce airplanes. Through close partnership with the United States space agency, the National Aeronautics and Space Administration (NASA), Canada has also launched satellites as well as built sophisticated components used on the International Space Station. 

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  • Article

    AES-90

    The AES-90 word processor was an innovation released by the Montreal-based technology company Automatic Electronic Systems Inc. in 1972. The new machine was a pioneer within its generation that not only revolutionized office automation, but also set the trend for the design of word processors around the world.

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  • Article

    Agricultural Implements

    Canadian agriculture changed rapidly between 1850 and 1900, and changes in agricultural implements both caused and reflected changes in other sectors.

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    Agricultural Implements Industry

    In 1997 there were 247 manufacturers of agricultural implements in Canada, employing 11 101 workers. Only 2 establishments employed more than 1000 workers; 90% of establishments employed fewer than 100 workers.

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  • Article

    Agricultural Research and Development

    The Canadian agri-food industry has become an effective producer and processor of food and feed as the result of the work of innovative, hard-working farmers, good management of land resources, and the application of the technology derived from agricultural research.

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  • Article

    Agricultural Research Stations

    For more than a century, the federal government has funded agricultural research through a network of research centres strategically placed in almost every province. This research program has played a major role in developing the more than $120-billion Canadian agrifood industry.

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    Agricultural Soil Practices

    Harvesting of marketable timber, if present, constitutes the first stage and may involve individual trees or a stand. Logs may be cut, stripped and piled with tree harvesters; trees may be knocked down, lifted and moved with tree-dozers.

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    Agriculture and Food

    Canada's agriculture and food industries have changed greatly in the years since the Second World War. Growth in Canada’s economy, and associated social changes, have altered the way food is produced, processed, handled, sold and consumed.

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  • Article

    Agriculture in Canada

    Agriculture is the practice of growing crops and rearing animals mainly for food. Farmers also produce other items such as wool from sheep and CBD oil from hemp plants. In Canada, agriculture is an important industry. Only about 7 per cent of Canada’s land can be farmed. Other marginal (poorer) land can be used to ranch cattle. Aquaculture operations are found on the East and West Coasts and in the Great Lakes. Some crops such as tomatoes, cannabis and flowers are grown in greenhouses in urban centres. Canadian agriculture faces many challenges. Some of these challenges concern crop protection, soil conservation, labour, climate change and health. Click here for definitions of key terms used in this article. This is the full-length entry about agriculture in Canada. For a plain-language summary, please see Agriculture in Canada (Plain-Language Summary).

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  • Article

    Agroforestry

    Agroforestry is an intensive land management system that integrates the benefits from biological interactions created when trees or shrubs are intentionally grown with crops or livestock.

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