Olympiad mind-sports, such as the Science Olympiad, Mindsport Olympiad, Chess Olympiad, International History Olympiad and Computer Olympiad. In these cases "Olympiad" is used to indicate a regular event of international competition for top achieving participants; it does not necessarily indicate a four-year period. In some languages, like Czech and Slovak, Olympiad () is the correct term for the games. "The Olympiad" ("L'Olimpiade") is also the name of some 60 operas set in Ancient Greece. Olympiad An Olympiad (, "Olympiás") is a period of four years associated with the Olympic Games of the Ancient Greeks. During the Hellenistic period, beginning with Ephorus,
How many angels can dance on the head of a pin? dancing on a needle's point occurs in an expository work by the English divine, William Sclater (1575-1626). In "An exposition with notes vpon the first Epistle to the Thessalonians" (1619), Sclater claimed that scholastic philosophers occupied themselves with such pointless questions as whether angels "did occupie a place; and so, whether many might be in one place at one time; and how many might sit on a Needles point; and six hundred such like needlesse points." Harrison proposes that the reason an English writer first introduced the "needle’s point" into a critique of medieval angelology is that it makes for