Doubling
71Neapolitan dialect — Neapolitan nnapulitano Spoken in  Italy Native speakers unknown …
72Voicing (music) — In music composition and arranging, a voicing is the instrumentation and vertical spacing and ordering of the pitches in a chord (which notes are on the top or in the middle, which ones are doubled, which octave each is in, and which instruments… …
73Pontoon (game) — Pontoon is an unlicensed variant of the American game Spanish 21 that is played in Australian and Malaysian casinos [ [http://wizardofodds.com/spanish21 The Wizard of Odds] ] . In Treasury Casino, Brisbane, it is known as Treasury 21 [… …
74Moore's law — Plot of CPU transistor counts against dates of introduction. Note the logarithmic vertical scale; the line corresponds to exponential growth with transistor count doubling every two years …
75Chess problem terminology — This is a list of terms used in chess problems. For a list of unorthodox pieces used in chess problems, see fairy chess piece. For a list of terms used in chess is general, see chess terminology. NOTOC A *Actual play see post key play . *Albino a …
76Requiem (Webber) — Andrew Lloyd Webber s Requiem is a requiem mass written in memory of the composer s father, William Lloyd Webber, who died in 1982. Many thought it a surprising turn for such a populist composer as Lloyd Webber to produce a piece of serious music …
77Glossary of chess problems — This is a list of terms used in chess problems. For a list of unorthodox pieces used in chess problems, see fairy chess piece. For a list of terms used in chess is general, see chess terminology. Contents: Top · 0–9 · A B C D E F G H I… …
78Blackjack — This article is about the gambling game. For other uses, see Black Jack (disambiguation). A game of blackjack with a blackjack hand of 21. Blackjack, also known as Twenty one or Vingt et un (French: twenty one ), is the most widely played casino… …
79Mahjong — For other uses, see Mahjong (disambiguation). Mahjong A game of mahjong being played in Hangzhou, China Chinese name Traditional Chinese …
80Compass and straightedge constructions — Creating a regular hexagon with a ruler and compass Construction of a regular pentagon Compass and straightedge or ruler and compass construction is the construction of lengths, angl …