Browse "Science & Technology"

Displaying 601-615 of 785 results

  • Article

    Recorded sound production

    The first recordings made in Canada were those made 17 May 1878 by the Governor-General, Lord Dufferin, and his guests at Rideau Hall in Ottawa. On 17 May 1878 Lady Dufferin wrote in her diary (My Canadian Journal 1872-1878, Toronto 1969, p 292): 'This morning we had an exhibition of the phonograph.

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  • Article

    Recorded Sound Technology and its Impact

    From the beginning, sound recording offered the consumer an unprecedented access to musical sound - an access virtually uninhibited by the constraints of skill, time, place, and social standing.

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  • Article

    Regional Development Planning

    Regional Development Planning is undertaken by governments with the aim of improving the well-being of people in areas where there is concern about present and future living conditions.

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  • Article

    Remote Sensing

    History The oldest remote sensing instrument is the photographic camera, which has a long history of use in making observations of Earth from aircraft and, more recently, spacecraft.

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  • Article

    Rideau Canal

    Rideau Canal (or Waterway), 202 km long, links the Ottawa River at Ottawa with Lake Ontario at Kingston.

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  • Article

    Roads and Highways

    Canada's first highways were the rivers and lakes used by Indigenous peoples, travelling by canoe in summer and following the frozen waterways in winter. (See also Birchbark Canoe; Dugout Canoe.) The water network was so practical that explorers, settlers and soldiers followed the example of the Indigenous peoples. (See also Coureurs des bois; Voyageurs.) To a greater extent than most other countries, Canada depends for its social, economic and political life on efficient communication and transportation. (See also Economy; Politics.)

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  • Article

    Robotics in Canada

    Robotics is the branch of engineering that concerns robots: reprogrammable, multifunction manipulators designed to move objects and complete tasks through a variety of programmed motions. The field includes the conception, design, manufacture and operation of such machines. Robotics overlaps with a variety of other electronic and engineering disciplines including artificial intelligence (AI), bioengineering, computer science, mechatronics (the engineering of both electrical and mechanical systems) and nanotechnology. In the late 20th century, Canada distinguished itself in the field with the development of the Canadarm for space missions. Despite the challenges of competing in the international market, Canadian companies, institutes and researchers are now world leaders in the development of AI applications for robotics.

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  • Article

    Rotary Snowplough

    The first rail ploughs, in the mid-1800s, were made of steel and fitted to the front of locomotives like cowcatchers. They worked against light snowfalls, but were ineffective in the face of blizzards, drifting snow and avalanches.

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  • Article

    Royal Astronomical Society of Canada

    The Royal Astronomical Society of Canada (RASC) is a non-profit, charitable organization. Founded in 1868, the RASC aims to enhance knowledge of astronomy and promote astronomical research. In 2020, the RASC reported 5,000 members, including amateur and professional astronomers.

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  • Article

    Royal Canadian Institute

    The Royal Canadian Institute is now the oldest surviving scientific society in Canada. It was founded in 1849 by a small group of civil engineers, architects and surveyors led by Sir Sandford FLEMING.

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  • Article

    Royal Commission on Energy

    The Royal Commission on Energy (Borden Commission) was established (1957) by the government of John DIEFENBAKER under chairman Henry BORDEN, the president of Brazilian Traction, Light and Power Co, Ltd, to investigate "a number of questions relating to sources of energy.

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  • Article

    Royal Commission on Patents, Copyright and Industrial Designs

    The Royal Commission on Patents, Copyright and Industrial Designs sat between 1954 and 1960.

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  • Article

    Royal Commission on Transportation

    The Royal Commission on Transportation (MacPherson Commission) was appointed by the federal government (1959) to investigate transportation policy, particularly freight-rate inequities.

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  • Article

    Royal Victoria Hospital

    Royal Victoria Hospital, Montréal, is a teaching hospital affiliated with McGill University. Its original building on the southern slopes of Mount Royal is the premier Canadian illustration of pavilion-plan hospital architecture.

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  • Article

    Rubber Products Industry

    The rubber products industry consists of establishments primarily engaged in manufacturing rubber tires, tubing, hose, belting, washers and gaskets, weather stripping, tapes, etc. The 216 (1998) rubber manufacturers in Canada share annual sales of more than $4.7 billion (see Manufacturing in Canada). The industry directly employs 26,300 (1998) people; tens of thousands of additional jobs exist among suppliers and marketers of rubber products and in the transportation and service sectors.

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