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  2. List of Formula One World Drivers' Champions - Wikipedia

    en.wikipedia.org/wiki/List_of_Formula_One_World...

    Michael Schumacher has won the World Drivers' Championship a record seven times – twice with Benetton and five times with Ferrari. Lewis Hamilton equaled Schumacher's record in 2020, winning one with McLaren and six with Mercedes. Juan Manuel Fangio won the World Drivers' Championship five times with Alfa Romeo, Maserati, Mercedes and Ferrari.

  3. Prism correction - Wikipedia

    en.wikipedia.org/wiki/Prism_correction

    A prism of power 1 Δ would produce 1 unit of displacement for an object held 100 units from the prism. Thus a prism of 1 Δ would produce 1 cm visible displacement at 100 cm, or 1 meter. This can be represented mathematically as: = ⁡ where is the amount of prism correction in prism dioptres, and is the angle of deviation of the light.

  4. 1 in 60 rule - Wikipedia

    en.wikipedia.org/wiki/1_in_60_rule

    2 x 60 x π = 376.99 NM. 376.99 divided by 360° produces: 376.99/360 = 1.047 NM (off by 4.7%) This rule is therefore very good approximation. As a coincidence, 1 NM is about 6,000 feet (6,076.1 feet) so we can use the 60:1 rule for this too. For a 1 degree shift at 1 NM, there are about 100 feet of offset.

  5. Esotropia - Wikipedia

    en.wikipedia.org/wiki/Esotropia

    Esotropia is a form of strabismus in which one or both eyes turn inward. The condition can be constantly present, or occur intermittently, and can give the affected individual a "cross-eyed" appearance. [1] It is the opposite of exotropia and usually involves more severe axis deviation than esophoria. Esotropia is sometimes erroneously called ...

  6. Maddox rod - Wikipedia

    en.wikipedia.org/wiki/Maddox_rod

    The strength of the prism is increased until the streak of the light passes through the centre of the prism, as the strength of the prism indicates the amount of deviation present. The Maddox rod is a handheld instrument composed of red parallel plano convex cylinder lens , which refracts light rays so that a point source of light is seen as a ...

  7. Šidák correction for t-test - Wikipedia

    en.wikipedia.org/wiki/Šidák_correction_for_t-test

    Šidák correction for t-test. One of the application of Student's t-test is to test the location of one sequence of independent and identically distributed random variables. If we want to test the locations of multiple sequences of such variables, Šidák correction should be applied in order to calibrate the level of the Student's t-test.

  8. Prentice position - Wikipedia

    en.wikipedia.org/wiki/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. All the deviation caused by the prism ...

  9. Prandtl–Glauert transformation - Wikipedia

    en.wikipedia.org/wiki/Prandtl–Glauert...

    Prandtl–Glauert transformation. The Prandtl–Glauert transformation is a mathematical technique which allows solving certain compressible flow problems by incompressible -flow calculation methods. It also allows applying incompressible-flow data to compressible-flow cases.

  10. Free-air gravity anomaly - Wikipedia

    en.wikipedia.org/wiki/Free-air_gravity_anomaly

    The free air correction is calculated from Newton's Law, as a rate of change of gravity with distance: g = G M R 2 d g d R = − 2 G M R 3 = − 2 g R {\displaystyle {\begin{aligned}g&={\frac {GM}{R^{2}}}\\{\frac {dg}{dR}}&=-{\frac {2GM}{R^{3}}}=-{\frac {2g}{R}}\end{aligned}}}

  11. Decay correction - Wikipedia

    en.wikipedia.org/wiki/Decay_correction

    The formula for decay correcting is: [1] where is the original activity count at time zero, is the activity at time "t", "λ" is the decay constant, and "t" is the elapsed time. The decay constant is where " " is the half-life of the radioactive material of interest.