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2. Pregnancy - Wikipedia

   en.wikipedia.org/wiki/Pregnancy

   Naegele's rule is a standard way of calculating the due date for a pregnancy when assuming a gestational age of 280 days at childbirth. The rule estimates the expected date of delivery (EDD) by adding a year, subtracting three months, and adding seven days to the origin of gestational age.

3. Easter controversy - Wikipedia

   en.wikipedia.org/wiki/Easter_Controversy

   The controversy over the correct date for Easter began in Early Christianity as early as the 2nd century AD. Discussion and disagreement over the best method of computing the date of Easter Sunday has been ongoing ever since and remains unresolved. Different Christian denominations continue to celebrate Easter on different dates, with Eastern ...

4. Wheel of Fortune (American game show) - Wikipedia

   en.wikipedia.org/wiki/Wheel_of_Fortune_(American...

   Wheel of Fortune (often known simply as Wheel [b]) is an American television game show created by Merv Griffin. The show has aired continuously since January 1975. It features a competition in which contestants solve word puzzles, similar to those in hangman, to win cash and prizes determined by spinning a giant carnival wheel.

5. Wheel and axle - Wikipedia

   en.wikipedia.org/wiki/Wheel_and_axle

   The wheel and axle is a simple machine consisting of a wheel attached to a smaller axle so that these two parts rotate together in which a force is transferred from one to the other. The wheel and axle can be viewed as a version of the lever, with a drive force applied tangentially to the perimeter of the wheel, and a load force applied to the ...

6. Slip ratio - Wikipedia

   en.wikipedia.org/wiki/Slip_ratio

   Slip ratio. Slip ratio is a means of calculating and expressing the slipping behavior of the wheel of an automobile. It is of fundamental importance in the field of vehicle dynamics, as it allows to understand the relationship between the deformation of the tire and the longitudinal forces (i.e. the forces responsible for forward acceleration ...

7. Antikythera mechanism - Wikipedia

   en.wikipedia.org/wiki/Antikythera_mechanism

   The Antikythera mechanism ( / ˌæntɪˈkɪθɪərə / AN-tih-KIH-ther-ə) is an Ancient Greek hand-powered orrery (model of the Solar System), described as the oldest known example of an analogue computer [1] [2] [3] used to predict astronomical positions and eclipses decades in advance. [4] [5] [6] It could also be used to track the four-year ...