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Kevlar (para-aramid) [2] is a strong, heat-resistant synthetic fiber, related to other aramids such as Nomex and Technora.Developed by Stephanie Kwolek at DuPont in 1965, [3] [2] [4] the high-strength material was first used commercially in the early 1970s as a replacement for steel in racing tires.
The name was changed to Bonimart in April 1971, ... the last day of one sale is the first of the next". ... 2650 Lawrence Ave. E., Toronto (Scarborough) Ontario ...
Invented in Halifax, Nova Scotia around 1970 by Peter Gamoulakos. [6] Fricot – A traditional stew consisting of clams, chicken and other meats. Ginger beef – is a Canadian Chinese dish made from beef, ginger, and a distinctive sweet sauce. Hawaiian pizza – invented by the Greek-Canadian cook and businessman Sam Panopoulos, in 1962.
Stephanie Louise Kwolek (/ ˈ k w oʊ l ɛ k /; July 31, 1923 – June 18, 2014) was a Polish-American chemist best known for inventing Kevlar (poly-paraphenylene terephthalamide). ). Her career at the DuPont company spanned more than 40 ye
Lester D. Shubin (September 27, 1925 – November 20, 2009) was an American research chemist who developed Kevlar for the use in ballistic vests. Kevlar's use in ballistic vests was later expanded for use in all types of personal armor.
May 22 – Ontario Place opens in Toronto; June 1 – Census Day for the 1971 Census of Canada, which finds Canada's total population to be 21,568,311. June 3 – The controversial Spadina Expressway project is cancelled; June 11 – Jack Davis becomes Canada's first Minister of the Environment, heading the new department of Environment Canada
Excellent thermal stability at temperature extremes, water repellency, chemical stability and resistance to petroleum products have made Kevlar KM2 an indispensable asset to the military personnel who use it every day." [1] "Kevlar KM2 fiber is a transversely isotropic material. Its tensile stress–strain response in the axial direction is ...
The world's first permanent Imax cinema, Cinesphere, was built at Ontario Place in Toronto in 1971. Others were built in Vancouver for Expo '86 and at the Canadian Museum of Civilization in Gatineau, Quebec, in 1989. By 1995 there were 129 Imax cinemas entertaining audiences around the world.