Browse "Science & Technology"

Displaying 181-200 of 799 results
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Communications

Communications influence all societies, but Canada in particular takes its shape and meaning from communications systems.

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Communications in Québec

What is distinctive about communications in Québec is the existence of 2 often competing media serving different cultures and, above all, the ways in which francophone media have expressed or reinforced the character of French Canada.

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Communications in the North

Communications have played a special role in the North. Terrain, climate and distance made it difficult for northerners to communicate with each other or with southern Canada before the advent of electronic media. In traditional times, Inuit messages were passed through personal contact.

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Computer Industry

Hardware Historically, computer hardware has been divided into 3 broad classes: large mainframe computers, somewhat smaller minicomputers and the personal computers (PCs) or microcomputers that have become familiar office and home fixtures since the mid-1980s.

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Computer Science

During the 1950s, 4 main areas of focus emerged. "Hardware" concentrated on the construction of reliable equipment with faster central-processing units (CPUs), larger memories and more input and output devices to solve increasingly ambitious problems.

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Computer Systems Applications

MATHEMATICS spawned the computer in the 1940s and gave it its name. Its first application was the computation of theoretical ballistic tables for traditional bombs, but calculations for the atomic bomb and then for guided missiles soon became the driving force for computer development.

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Computers and Canadian Society

Canadians use computers in many aspects of their daily lives. Eighty-four per cent of Canadian families have a computer in the home, and many people rely on these devices for work and education. Nearly everyone under the age of 45 uses a computer every day, including mobile phones that are as capable as a laptop or tablet computer. With the widespread use of networked computers facilitated by the Internet, Canadians can purchase products, do their banking, make reservations, share and consume media, communicate and perform many other tasks online. Advancements in computer technologies such as cloud computing, social media, artificial intelligence and the Internet of Things are having a significant impact on Canadian society. While these and other uses of computers offer many benefits, they also present societal challenges related to Internet connectivity, the digital divide, privacy and crime.

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Conestoga Wagon

The Conestoga wagon was a large wagon, with broad wheels and a white hemp or canvas cover, used for the transportation of persons and goods across the North American continent prior to the introduction of the railway in the

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Conservation

Conservation can be defined as the planned and efficient use of natural RESOURCES for industrial and nonconsumptive purposes (eg, recreation, research) so as to ensure their permanence, productivity and diversity.

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Cosmology

How the world began is a question as old as the human race. It was not before the 20th century, however, that the evolution and large-scale structure of the universe emerged as a well-defined problem of interest to science.

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Criminology

Most of the criminological research in Canada has been done at those universities where centres focusing on research have evolved. The Université de Montréal established Canada's first School of Criminology with Denis Szabo in 1960.

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Crop Research

Crop research may be defined as activity directed to making the production, marketing and use of commercial crops more efficient and profitable.

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Crops

Crops are plant species grown for human or animal consumption or for special purposes (e.g., flax, tobacco). In Canada, most major crops grown are used for food and feed.

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Cryptozoology

Cryptozoology is the scientific study of unknown animals about which only circumstantial, or at best insufficient, material evidence is available.