Browse "Science & Technology"

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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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Article

Specific Learning Disabilities

Children and youth with learning disabilities typically have average to above average intelligence but also have problems perceiving (making sense of) or using information that results in a pattern of uneven abilities and observable weaknesses in reading, writing, speaking, listening, problem solving, mathematics, and social skills.
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Article

Spodumene

Spodumene is a lithium aluminum silicate (8.0% Li2O, 27.4% Al2O3, 64.6%SiO2) and is the world's most common commercially mined lithium ore mineral. Petalite, lepidolite and amblygonite are also mined in different parts of the world.
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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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Article

St Elmo's Fire

St Elmo's Fire is a blue or reddish glow, sometimes with the appearance of a flame, accompanying a powerful electrical discharge from a pointed conducting object in an intense electric field.
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Article

Station PAPA

Station PAPA Ocean Weather Station "P" is commonly called Station PAPA after the code word for the letter P in the phonetic alphabet used by radio operators. Station PAPA is located in the N Pacific Ocean (50° N, 145° W) and has a water depth of 4200 m.
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Article

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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Article

Statistics Canada

Statistics Canada is the nation’s central statistical agency. It was established in 1918 as the Dominion Bureau of Statistics and adopted its present name in 1971. Under the Statistics Act of that year, it has the responsibility to “collect, compile, analyse, abstract and publish statistical information relating to the commercial, industrial, financial, social, economic and general activities and condition of the people.” The agency works with government departments to develop integrated social and economic statistics for Canada and the provinces and territories. In addition, Statistics Canada is a scientific research organization that develops methodologies and techniques related to statistics and survey design. Click here for definitions of key terms used in this article.
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Macleans

StatsCan Reports on Women

Women now make up slightly more than half of all people living in Canada. In fact, in 1991, the last census year, 50.4 per cent of the total population was female, compared with 50.2 per cent in 1981 and 48.4 per cent in 1921.This article was originally published in Maclean's Magazine on August 21, 1995
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Article

Stem Cell Research

Stem cells are the body's "building blocks"; they are the cells from which all tissues and organs are derived. They have the ability to divide while still maintaining their identity, yet they can also develop into specialized cells in response to certain stimuli. They can be found in a wide range of tissues in mammals at different stages of development and in adult organisms in tissues like nerve, muscle and skin. Stem cells from adults have a more restricted range of development. In order to develop new treatments for specific conditions scientists must understand more about how cell differentiation is directed by biological signals. New methods need to be found to grow large numbers of desired cells and more scientific experimentation involving different types of stem cells is vital. It will take many years for research projects to provide sufficient knowledge about stem cells to make new treatments possible (see Medical Research).
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