Browse "Science & Technology"

Displaying 76-90 of 785 results

  • Article

    Bitumen

    One of the easiest ways to understand bitumen is to compare it to its cousin, conventional crude oil. Whereas conventional crude oil flows freely, bitumen does not. At room temperature it looks like cold molasses, and must be either heated or diluted before it flows.

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  • Article

    Black Hole

    A black hole is an object in outer space whose the gravitational field is so strong that no matter or light can escape. Astronomers believe such regions can form from the collapse of massive stars. Researchers at Canadian institutions have contributed to theories supporting the existence of black holes.

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  • Article

    BlackBerry Limited

    BlackBerry Limited (formerly Research In Motion) is a mobile communications company. Founded in 1984 by Mike Lazaridis and Doug Fregin in Waterloo, Ontario, the company released its first device — a pager capable of email — in 1999. Following the release of its first smartphone in 2002, BlackBerrys quickly became must-have pieces of technology, first among business people and later the general public. However, in the early 2010s they struggled to keep pace with the competitive smartphone market. In 2016, the company announced it would outsource all hardware production to other companies, instead focusing on software development. Today, BlackBerry is credited with putting Waterloo on the map as an innovation hub. The business trades under the ticker BB on the Toronto Stock Exchange and BBRY on NASDAQ.

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  • Macleans

    Blackout Exposes Ontario's Dependency on Imported Power

    THERE are few things as mournful as a darkened, silent midway. So when the Canadian National Exhibition opened last week, Toronto as a whole took heart. The historic Aug.This article was originally published in Maclean's Magazine on September 1, 2003

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  • Macleans

    Blackout Hits Ontario and Seven US States

    This article was originally published in Maclean’s magazine on August 25, 2003. Partner content is not updated. IT TOOK just nine seconds to turn the clock back a century. A voltage fluctuation in some Ohio transmission lines. Then, at 4:11 p.m. n a muggy August Thursday, a faster-than-you-can-blink reversal in the flow of current, suddenly sucking away a city's worth of power from the eastern half of the continent.

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  • Article

    Blacksmithing

    All these workers practised a technology that came from the great French craft tradition; their highly skilled art derived from trade guild knowledge, instruction and scientific treatises.

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  • Article

    Blindness and Vision Loss

    There are approximately 836,000 visually impaired Canadians, although only a small number of them have been blind from birth.

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  • Macleans

    Blood Substitute Tested

    According to medical lore, the ancient Incas were the first to attempt blood transfusions. And over the centuries doctors around the world have pumped everything from beer to urine into hemorrhaging patients.This article was originally published in Maclean's Magazine on August 24, 1998

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  • Macleans

    Body Dysmorphic Disorder Can Lead to Self-Mutilation

    This article was originally published in Maclean’s magazine on December 19, 2005. Partner content is not updated.

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  • Article

    Bomarc Missile Crisis

    The CIM-10B Bomarc was the world’s first long-range, nuclear capable, ground-to-air anti-aircraft missile. Two squadrons of the missile were purchased and deployed by the Canadian government in 1958. This was part of Canada’s role during the Cold War to defend North America against an attack from the Soviet Union. Prime Minister John Diefenbaker’s refusal to equip the missiles with nuclear warheads led to a souring of Canada’s relationship with the United States, especially once the Cuban Missile Crisis brought the issue to the fore. The issue split Diefenbaker’s Cabinet and contributed to his party losing the 1963 election.

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  • Macleans

    Book Review: The Drug Trial

    This article was originally published in Maclean’s magazine on May 9, 2005. Partner content is not updated.WARS, EVEN THOSE FOUGHT on principle, are invariably sordid affairs. And so appears to have been the case with the all-out battle waged between Nancy Olivieri, a respected physician and scientist at Toronto's Hospital for Sick Children, and Apotex, one of Canada's biggest pharmaceutical companies.This article was originally published in Maclean's Magazine on May 9, 2005

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  • Macleans

    Bottled Water Debate

    This article was originally published in Maclean’s magazine on June 12, 2000. Partner content is not updated. On a remote hillside about 50 km northeast of Walkerton, Ont., springwater flows to the surface to form a clear pool. The area, surrounded by trees and about 1.5 km from the nearest farm, is fenced. Every month, Echo Springs Water Co. Ltd. employees pump about 4.

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  • Article

    Botulism

    Human botulism can occur primarily as food-borne botulism, infant botulism or wound botulism.

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  • Article

    Bovine Spongiform Encephalopathy

    Bovine Spongiform Encephalopathy (BSE), frequently called "mad cow disease," is a progressive, fatal disease of the nervous system of cattle.

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  • Article

    Brachiopoda

    Brachiopoda, phylum of bivalved marine invertebrates, sometimes called lamp shells. 

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