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41Monty Hall problem — In search of a new car, the player picks a door, say 1. The game host then opens one of the other doors, say 3, to reveal a goat and offers to let the player pick door 2 instead of door 1. The Monty Hall problem is a probability puzzle loosely… …
42List of Chinese inventions — A bronze Chinese crossbow mechanism with a buttplate (the wooden components have …
43Wikipedia:Featured article candidates — Here, we determine which articles are to be featured articles (FAs). FAs exemplify Wikipedia s very best work and satisfy the FA criteria. All editors are welcome to review nominations; please see the review FAQ. Before nominating an article,… …
44Pythagoreans and Eleatics — Edward Hussey PYTHAGORAS AND THE EARLY PYTHAGOREANS Pythagoras, a native of Samos, emigrated to southern Italy around 520, and seems to have established himself in the city of Croton. There he founded a society of people sharing his beliefs and… …
45Coriolis effect — For the psychophysical perception effect, see Coriolis effect (perception). Classical mechanics Newton s Second Law …
46Pi — This article is about the number. For the Greek letter, see Pi (letter). For other uses, see Pi (disambiguation). The circumference of a ci …
47Compass — This article is about the direction finding instrument used in navigation. For other uses, see Compass (disambiguation). A simple dry magnetic pocket compass …
48Pendulum — This article is about pendulums. For other uses, see Pendulum (disambiguation). Simple gravity pendulum model assumes no friction or air resistance …
49Manuscript culture — The transition of communication technology: Oral Culture, Manuscript Culture, Print Culture, and Information Age[dubious – discuss] Manuscript culture uses manuscripts to store and disseminate information; in the West, it generally preceded the… …
50Mormonism and Christianity — Depiction of God the Father and Jesus as two distinct beings appearing to Joseph Smith, Jr. during his First Vision, reflecting Mormonism s nontrinitarian theology. Mormonism and Christianity have a complex theological, historical, and… …
