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Displaying 361-380 of 821 results
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.

Article

Sports Medicine

Sports medicine practitioners help serious athletes plan preseason training and testing, provide early treatment for injuries, identify groups that may be susceptible to risk, and record frequencies in patterns of injuries.

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Statistics

Statistics is the science concerned with the collection and analysis of numerical information to answer questions wisely. The term also refers to the numerical information that has been collected. Statistics has many applications in Canada, from government censuses and surveys, to decision making in industry, to medical research and technological innovation.

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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.

Article

Carpentry Tools

The craft of carpentry involves the shaping of wood for architectural, utilitarian or ornamental purposes. European colonists who settled what is now Canada brought with them a rich heritage of CRAFTS and craft tools.

Article

Tidal Energy

Tidal energy is a largely untapped, renewable energy source based largely on lunar gravitation. While the potential of tidal hydroelectricity has long been recognized, compared to river dams, tidal power projects are expensive because massive structures must be built in difficult saltwater environments.

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Telephones

The invention of the TELEGRAPH (1837) by Samuel Morse and the telephone (1876) by Alexander Graham BELL were milestones in the quest to communicate over great distances with reliability, accuracy and speed.

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W.D. Lawrence

W.D. Lawrence, 2548 ton square-rigged sailing ship built in 1874 in Maitland, NS. It was designed and built by William Dawson Lawrence, who earned substantial profits from the ship until 1883, when he sold it to a Norwegian.

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Triticale

Triticale (Triticosecale Wittmack), the first man-made crop species, is initially produced by crossing wheat (genus Triticum) with rye (Secale), and resembles wheat.

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Tuberculosis

Tuberculosis (TB) has been known and dreaded since Hippocratic times (460-377 BCE). It was once known as "consumption" and claimed the lives of such famous people as the Brontë sisters, Robert Louis Stevenson and Vivian Leigh.

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Water Treatment

Water Treatment, the physical and chemical processes used to ensure water's quality for its intended use. Minimum standards for drinking water are set by environmental agencies while industries have their own guidelines.

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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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Television

Overlaying these two perspectives is the reality that Canadians have long been among the world's most avid television viewers with tastes that do not necessarily discriminate between domestic and foreign content, or between entertainment and education.

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Tantalum

Tantalum (Ta) is a grey, heavy, very hard metal with a high melting point (2996°C). When pure, it is ductile and can be easily fabricated. Tantalum has good rectifying properties (ie, converts alternating to direct current) and dielectric properties (ie, does not conduct direct current).

Article

Veterinary Medicine

Veterinary Medicine, the science dealing with health and disease in vertebrates, has application to 4 broad domains: domestic animals, wildlife, comparative medicine and public health.