Science & Technology | The Canadian Encyclopedia

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  • Article

    Time Dissemination

    Accurate TIME is disseminated or distributed by telecommunication systems to end users across Canada. Time and frequency references, traceable within stated limits to recognized standards, are available in Canada by ground and satellite based radio, television and telephone.

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  • Article

    Tipi

    Tipis are cone-shaped dwellings that many Plains Indigenous peoples used to live in until the mid-1800s. Today, tipis retain cultural significance and are sometimes constructed for special functions. (See also Architectural History of Indigenous Peoples in Canada.)

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  • Article

    Titanium

    Titanium (Ti) is a metallic element estimated to form about 0.5% of the rocks of the Canadian SHIELD. Titanium minerals of commercial importance include the dioxides rutile and anatase, which are polymorphs of TiO2 and ilmenite (FeO.TiO2), a mineral that contains 52.7% TiO2.

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  • Article

    Tomahawk

    Tomahawk is a name commonly given to axes used by Indigenous peoples.

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  • Article

    Tommy Douglas and Eugenics

    Tommy Douglas — the father of socialized medicine in Canada and one of the country’s most beloved figures — once supported eugenic policies. In 1933, he received a Master of Arts in sociology from McMaster University for his thesis, “The Problems of the Subnormal Family.” In the thesis, Douglas recommended several eugenic policies, including the sterilization of “mental defectives and those incurably diseased.” His ideas were not unique, as two Canadian provinces (and 32 American states) passed sexual-sterilization legislation in the 1920s and 1930s. However, by the time Douglas became premier of Saskatchewan in 1944, he had abandoned his support for eugenic policies. When Douglas received two reports that recommended legalizing sexual sterilization in the province, he rejected the idea.

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  • Article

    Tonquin

    The Tonquin was a ship of 269 tons built in New York in 1807 and purchased 23 August 1810 by New York fur merchant and entrepreneur John Jacob Astor.

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  • Macleans

    Toronto a SARS Hotspot

    This article was originally published in Maclean’s magazine on April 14, 2003. Partner content is not updated.

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  • Article

    Toronto Feature: Centre for Addiction and Mental Health

    This article is from our Toronto Feature series. Features from past programs are not updated.

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  • Article

    Toronto Feature: Discovery of Insulin

    This article is from our Toronto Feature series. Features from past programs are not updated.

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  • Article

    Toronto International Film Festival (TIFF)

    The Toronto International Film Festival (TIFF) runs annually for 10 days in September beginning on the Thursday after Labour Day. The largest film festival in North America, its international stature is second only to the Cannes Film Festival. Unlike most major film festivals, which are open only to members of the industry and media, TIFF’s status as a public festival has made it an ideal testing ground for a film’s commercial appeal. That, combined with its September schedule, has made it a major launching pad for Oscar contenders and the more serious fare of the fall film schedule. It has also proven to be a key showcase for Canadian cinema, documentary films and experimental works. The 2016 edition of TIFF featured 397 films (296 features and 101 shorts), 138 of which were world premieres, while the 2017 lineup was streamlined by 20 per cent.

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  • Article

    Toronto Subway

    The Toronto subway is part of a larger public transportation network, including streetcars, buses and light rapid transit, run by the Toronto Transit Commission (TTC). It opened on 30 March 1954, making it Canada’s first subway. Since then, it has grown from a single, 12-station line running 7.4 km beneath Yonge Street to a four-line system encompassing 75 stations over 76.5 km. In 2017, the TTC recorded 213 million passenger trips on the Toronto subway.

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  • Article

    Trans-Canada Airlines

     Trans-Canada Airlines was created 10 April 1937 by Act of Parliament as a subsidiary of CANADIAN NATIONAL RAILWAYS to provide air service to all regions of Canada. TCA began with 2 passenger aircraft and a small bi-plane, which was used to survey new routes.

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  • Article

    Trans-Canada Highway

    The Trans-Canada Highway is a continuous road that allows vehicle travel across Canada. The highway runs through each of Canada’s 10 provinces, from Victoria, British Columbia, to St. John’s, Newfoundland and Labrador. At 7,821 km, it is the fourth-longest highway — and second-longest national highway — in the world.

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  • Article

    Trans Mountain Pipeline Expansion Project

    The Trans Mountain Expansion is a project to build about 980 km of new pipe, most of which will run parallel to the existing Trans Mountain oil pipeline. The new line will carry diluted bitumen, or “dilbit,” from Edmonton, Alberta to Burnaby, British Columbia. The expansion will increase the pipeline route’s overall capacity from 300,000 barrels per day to 890,000 barrels per day. The project’s first owner, Kinder Morgan Canada, sold it to the Government of Canada in 2018. The Trans Mountain Expansion has been a focus of environmental and economic debates, as well as political conflicts. The $12.6 billion project is now under construction.

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  • Article

    TC Energy (formerly TransCanada)

    TC Energy Corporation (formerly TransCanada Corporation) is a natural gas, oil and power-generation company headquartered in Calgary, Alberta. TC Energy owns more than 92,600 km of natural gas pipeline in North America and transports more than 25 per cent of the gas consumed on the continent. It also operates power plants and gas storage facilities. A public company, it trades on the Toronto Stock Exchange and the New York Stock Exchange under the symbol TRP. In 2018, TC Energy registered $13.7 billion in revenue and $3.5 billion in profit and held $98.9 billion in assets. The company employs about 7,300 people, more than half of them in Canada.

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