Science & Technology | The Canadian Encyclopedia

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  • Article

    Soaring

    Soaring, or gliding, is the sport of flying a sailplane or glider for a sustained period of time by utilizing currents of rising air to stay aloft.

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  • Article

    Social Sciences and Humanities Research Council of Canada

    The Social Sciences and Humanities Research Council of Canada (SSHRC) is Canada's federal funding agency for university-based research and graduate training in the social sciences and humanities.

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  • Article

    Social Sciences and Humanities Research Council of Canada

    Social Sciences and Humanities Research Council of Canada (SSHRC), an arms-length federal granting agency that supports academic research and instruction in the social sciences and humanities.

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  • Article

    Sod Houses

    Sod houses, or “soddies,” were a common style of dwelling built in the Prairies during the second half of the 19th century. Soddies were small structures cheaply built out of blocks of sod and rudimentary house fittings. Sod refers to grass and the soil beneath it that is held together by the grass’s roots. Although the term “sod house” is primarily associated with Canadian and American structures built during westward expansion, the structures found their architectural roots in Indigenous and Norse practices. Sod houses have come to symbolize the hardship of homestead life, despite shacks and log cabins being the primary form of housing.

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  • Article

    Soil Classification

    Classification involves arranging individual units with similar characteristics into groups. Soils do not occur as discrete entities; thus the unit of measurement for soil is not obvious.

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  • Article

    Soil Science

    Soil science is the science that deals with soils as a natural resource. Studies focus on soil formation, classification and mapping, and the physical, chemical and biological properties and fertility of soils as such and in relation to their management for crop production.

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  • Article

    Solar and Lunar Eclipses in Canada

    An eclipse occurs when two celestial bodies are aligned so that one blocks the sun’s light from reaching the other. While eclipses can take place on different planets like Jupiter and Neptune, on Earth most eclipses are either solar or lunar eclipses. During a solar eclipse, the moon is positioned between the Earth and the sun, casting a shadow on a portion of the Earth. During a lunar eclipse, the opposite occurs, and the Earth blocks the sun’s light from reaching the moon. Lunar eclipses can be observed with the naked eye. However, looking directly at the sun during a solar eclipse can cause permanent eye damage. Proper eye protection is required to safely observe a solar eclipse.

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  • Article

    Solar Energy

    The energy contained in sunlight is the source of life on Earth. Humans can harness it to generate power for our activities without producing harmful pollutants. There are many methods of converting solar energy into more readily usable forms of energy such as heat or electricity. The technologies we use to convert solar energy have a relatively small impact on the environment. However, they each have disadvantages that have kept them from being widely adopted. In Canada, the use of solar energy to generate electricity and heat is growing quickly and is helping reduce pollution related to energy production. Despite Canada’s cold climate and high latitudes (which get less direct sunlight than mid-latitudes), solar power technologies are used in many places, from household rooftops to large power plants. The Canada Energy Regulator (formerly the National Energy Board) expects solar power to make up 3 per cent of Canada’s total electricity generation capacity by 2040.

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  • Article

    Some SI-derived Units with Special Names

    Some SI-derived Units with Special Names Some SI-derived Units with Special Names Quantity Unit (Symbol) Derivation Mechanical force Newton (N) (m kg)/s² pressure pascal (Pa) N/m² energy, work joule (J) N m power watt (W) J/s frequency hertz (Hz) cycles/s Electrical electrical potential volt (V) W/A electrical resistance ohm <W > V/A electrical charge coulomb (C) A s electrical capacitance farad (F) C/V magnetic flux weber (Wb) V s magnetic flux density tesla (T) Wb/m²...

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  • Article

    Sonar

    Sonar (sound navigation and ranging), method for locating objects by the reflection of sound waves. It is used naturally by such animals as BATS and DOLPHINS to locate food and obstacles.

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  • Macleans

    Space Lab Under Construction

    This is ground zero, the holy of holies of the U.S. space program. The flight control room at Johnson Space Center in Houston is instantly familiar from a dozen movies and a thousand newscasts.This article was originally published in Maclean's Magazine on May 17, 1999

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  • Collection

    Space Science and Exploration

    This collection brings together articles and resources about space science and space exploration. Access articles, biographies and timelines to learn more about space technology and Canadian astronauts.

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  • Article

    Space Technology

    An agreement signed with the US National Aeronautics and Space Administration (NASA) led to the launching of a series of 4 Canadian satellites, beginning with Alouette 1 (on 29 Sept 1962) from the Western Test Range in Vandenburg, California.

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  • Macleans

    Space Travel Challenges

    This article was originally published in Maclean’s magazine on October 14, 1996. Partner content is not updated. For mankind, the adventure began at 9:07 a.m. Moscow time on April 12, 1961. A Soviet air force major named Yuri Gagarin blasted into the Siberian sky aboard a five-ton spacecraft and the world marvelled at the astounding news that he had landed safely after circling the Earth in just 108 minutes.

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  • Article

    Spar Aerospace Limited

    Spar Aerospace Limited, see ELECTRONICS INDUSTRY.

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