Tuesday, May 6, 2008

FORMULA 1 RACING

Formula One or F1, is the highest class of open wheeled auto racing defined by the Fédération Internationale de l'Automobile (FIA), motor sport's world governing body. The "formula" in the name is a set of rules which all participants and cars must meet. The F1 world championship season consists of a series of races, known as Grands Prix, held usually on purpose-built circuits, and in a few cases on closed city streets. The results of each race are combined to determine two annual World Championships, one for drivers and one for constructors.

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The Formula One series has its roots in the European Grand Prix Motor Racing of the 1920s and 1930s. The "formula" is a set of rules which all participants and cars must meet. Formula One was a new formula agreed after World War II in 1946, with the first non-championship races being held that year. A number of Grand Prix racing organisations had laid out rules for a World Championship before the war, but due to the suspension of racing during the conflict, the World Drivers' Championship was not formalised until 1947. The first world championship race was held at Silverstone, United Kingdom in 1950. A championship for constructors followed in 1958. National championships existed in South Africa and the UK in the 1960s and 1970s. Non-championship Formula One races were held for many years but, due to the rising cost of competition, the last of these occurred in 1983.

Monday, May 5, 2008

BENTLEY

Bentley Motors Limited is an English manufacturer of luxury automobiles and Grand Tourers. Bentley Motors was founded in England on January 18, 1919 by Walter Owen Bentley, known as W.O. Bentley or just "W.O." (1888–1971). He was previously known for his successful range of rotary aero-engines in World War I, the most famous being the Bentley BR1 as used in later versions of the Sopwith Camel. Since 1998 the company has been owned by the Volkswagen Group.

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In 2002, Bentley presented Queen Elizabeth II with an official State Limousine to celebrate the Golden Jubilee. In 2003, Bentley's 2-door convertible, the Bentley Azure, ceased production, and the company introduced the Bentley Continental GT, a large luxury coupe. The car is powered by a version of VW's W-12 engine.

Sunday, February 24, 2008

SAFETY DRIVING

Mobile phone use while driving is common but controversial. Using a cellular telephone while operating a motor vehicle has been shown to increase the risk of accident. Because of this, many governments have made use a cell phone while driving illegal. A 1997 Canadian study and a 2005 Australian study both estimated the risk of a collision when using a cellular telephone was four times higher than the risk when a cellular telephone was not being used. 699 and 456 drivers, respectively, who owned phones, were involved in crashes, and volunteered for the studies were examined. By collecting volunteers' cell phone records, scientists were able to determine who placed telephone calls shortly before the time of crash, and through case-crossover analysis (a technique often used in medical studies of heart-attacks and air pollution) of cell phone habits, calculated the increase in risk. Both studies found that hands-free devices were not considerably safer.

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A more traditional study method was used by the Société de l'assurance automobile du Québec (SAAQ) for their 2003 study. Questionnaires were sent to 175,000 drivers and analysis was done on the 36,078 who responded. The questionnaire asked about driving habits, risk exposure, collisions over the past 24 months, socio-demographic information, and cell phone use. Questionnaires were supported with data from cell phone companies and police crash records. The study found that the overall relative risk (RR) of having an accident for cell phone users when compared to non-cell phone users averaged 1.38 across all groups. When adjusted for kilometers driven per year and other crash risk exposures, RR was 1.11 for men and 1.21 for women. They also found that increased cell phone use correlated with an increase in RR.