Browse "Science & Technology"

Displaying 661-680 of 821 results
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Sawmill

Far more significant were the fewer, larger mills cutting logs for export. Equipped with gang saws and ancillary machinery, they produced better lumber faster. After 1840 new technologies increased their size and efficiency. Circular saws were used for edging and trimming.

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Schizophrenia

Schizophrenia is an illness of the mind that affects 1 percent of the world's population, including 1percent of Canada's population. It is one of the most serious and debilitating mental illnesses because at present there is no cure, and it can be very difficult to treat.

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SchoolNet

SchoolNet was an educational project launched in 1993 by federal, provincial and territorial governments, educational organizations and industry partners. Their goals were to link Canadian schools and libraries (particularly those in remote areas) via the Internet and to foster the creation of a Canadian educational website in English and French.

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Science

Science is the rational study of nature, rose to prominence in European civilization at almost the same time as the first European exploration of what is now Canada and was, from the beginning, an element in those explorations.

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Science Centres

Canada is home to more than 40 science centres, planetariums, children's museums and related institutions that have been established to advance scientific literacy by making science learning fun and accessible.

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Science Council of Canada

Science Council of Canada, organization created by federal statute in 1966 to advise the government on science and technology policy. The original membership was 25 appointed scientists and senior federal civil servants, later altered to 30 appointed eminent experts from the natural and social sciences, business and finance, and no civil servants.

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Scurvy

Scurvy is a disease caused by a dietary deficiency of vitamin C (ascorbic acid). The disease has occurred with regular frequency throughout human history and prehistory in populations lacking fresh foods, especially vegetables and meat.

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Semiconductors and Transistors

Semiconductors, often called integrated circuits, chips or microchips, are essential components of all computers and are used in a wide variety of other devices including telecommunications equipment, consumer electronics, home appliances, and even automobiles.

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Shaking Tent

Shaking Tent rite was widespread among the Ojibwa, Innu (Montagnais-Naskapi), Cree, Penobscot and Abenaki and involved the shamanistic use of a special cylindrical lodge or tent.

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Shanty

A shanty is a winter lumber camp. The term is derived from the French Canadian word for lumber camp, "chantier."

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Silver Dart

J.A.D. MCCURDY was the principal designer and pilot; Glenn H. Curtiss developed the water-cooled engine, an advance on the association's earlier experiments.

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Silviculture

Silviculture is the branch of FORESTRY that deals with establishing, caring for and reproducing stands of trees for a variety of forest uses including wildlife habitat, timber production and outdoor recreation.