Browse "Science & Technology"

Displaying 676-690 of 846 results

  • Article

    Satellite

    However, the launch may be threatened by American interests.

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  • Article

    Satellite Communications

    Characteristics A typical satellite consists of a number of repeaters (transponders), each of which provides a large-capacity communication channel. Each transponder has a receiver tuned to a frequency range that has been allocated for uplink communication signals from Earth to the satellite.

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  • Article

    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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  • Article

    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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  • Article

    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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  • Article

    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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  • Timelines

    Science

    Science aims to understand the world through observation and experimentation. It is a broad discipline of study that can be divided into different branches. This timeline chronicles events and examples of scientific innovation and discovery in Canada.

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  • Article

    Science and Society

    Most Canadians are unaware of the profound effect science has on their daily lives.

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  • Article

    Science Centres in Canada

    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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  • Article

    Science Council of Canada

    Science Council of Canada, organization created by federal statute in 1966 to advise the government on science and technologypolicy. 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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  • Article

    Science Policy

    Science PolicyScience policy is a term which came into use in the 1960s to denote the co-ordinated measures that should be taken by governments to promote the development of scientific and technological research and, especially, to guide the exploitation of research results to further national economic growth and welfare. State patronage of SCIENCE and TECHNOLOGY was not new; indeed it has a long history. What was new was the growing sense, among the public and...

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  • Article

    Scientific Research and Development

    "Research and Development" is a phrase used to denote activities the overall goal of which is to gain and use knowledge. These activities are normally well organized, making use of the methods of various branches of knowledge and the services of highly trained personnel.

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  • Article

    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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  • Article

    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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  • Macleans

    Septuplets and Medical Ethics

    The ultrasound showed seven babies. Septuplets, the doctor told the mother, and the odds against their survival were "astronomical." She could, of course, choose to abort some or all of the seven fetuses.This article was originally published in Maclean's Magazine on December 1, 1997

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    https://development.thecanadianencyclopedia.ca/images/tce_placeholder.jpg?v=e9dca980c9bdb3aa11e832e7ea94f5d9 Septuplets and Medical Ethics