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Lendl reached No. 1 on February 21, 1983, but did not win his first Grand Slam title until the 1984 French Open. [25] Ríos reached No. 1 on March 30, 1998, but retired without ever having won a Grand Slam title, making him the only No. 1 player with that distinction. [26] [27]
The Prentice position. The Prentice position is an orientation of a prism, used in optics, optometry and ophthalmology. [1] In this position, named after the optician Charles F. Prentice, the prism is oriented such that light enters it at an angle of 90° to the first surface, so that the beam does not refract at that surface.
The following teams and drivers participated in the 2007 FIA Formula One World Championship. Drivers' cars are numbered as per the official FIA 2007 entry list. [9] All team details are as per the Formula 1 official website, except where noted. Note that there is no car number 13, as is the historical tradition.
The Šidák correction is derived by assuming that the individual tests are independent.Let the significance threshold for each test be ; then the probability that at least one of the tests is significant under this threshold is (1 - the probability that none of them are significant).
The 2011 FIA Formula One World Championship was the 65th season of FIA Formula One motor racing. The original calendar for the 2011 Formula One World Championship consisted of twenty rounds, [1] including the inaugural running of the Indian Grand Prix [2] before the cancellation of the Bahrain Grand Prix.
It marked the 70th anniversary of the first Formula One World Drivers' Championship. [1] The championship was recognised by the governing body of international motorsport , the Fédération Internationale de l'Automobile (FIA), as the highest class of competition for open-wheel racing cars .
Photograph of a triangular prism, dispersing light Lamps as seen through a prism. In optics, a dispersive prism is an optical prism that is used to disperse light, that is, to separate light into its spectral components (the colors of the rainbow). Different wavelengths (colors) of light will be deflected by the prism at different angles. [1]
Apollo 1, initially designated AS-204, was planned to be the first crewed mission of the Apollo program, [1] the American undertaking to land the first man on the Moon. It was planned to launch on February 21, 1967, as the first low Earth orbital test of the Apollo command and service module .