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D003119. [ edit on Wikidata] The Ishihara test is a color vision test for detection of red–green color deficiencies. It was named after its designer, Shinobu Ishihara, a professor at the University of Tokyo, who first published his tests in 1917. [ 2] The test consists of a number of Ishihara plates, which are a type of pseudoisochromatic plate.
The larger Sunday crossword, which appears in The New York Times Magazine, is an icon in American culture; it is typically intended to be a "Thursday-plus" in difficulty. [6] The standard daily crossword is 15 by 15 squares, while the Sunday crossword measures 21 by 21 squares.
Will Shortz. William F. Shortz (born August 26, 1952) is an American puzzle creator and editor who is the crossword editor for The New York Times. He graduated from Indiana University with a degree in the invented field of enigmatology. After starting his career at Penny Press and Games magazine, he was hired by The New York Times in 1993.
On 18 August 1942, a day before the Dieppe raid, 'Dieppe' appeared as an answer in The Daily Telegraph crossword (set on 17 August 1942) (clued "French port"), causing a security alarm. The War Office suspected that the crossword had been used to pass intelligence to the enemy and called upon Lord Tweedsmuir, then a senior intelligence officer ...
Accurate to within a few seconds over many thousands of years, they are used to calibrate other clocks and timekeeping instruments. [202] The U.S. National Bureau of Standards (NBS, now National Institute of Standards and Technology (NIST)) changed the way it based the time standard of the United States from quartz to atomic clocks in the 1960s.
Materials required. Paper and writing utensil. Boggle is a word game in which players try to find as many words as they can from a grid of lettered dice, within a set time limit. It was invented by Allan Turoff [ 1] and originally distributed by Parker Brothers.
A crossword (or crossword puzzle) is a word game consisting of a grid of black and white squares, into which solvers enter words or phrases ("entries") crossing each other horizontally ("across") and vertically ("down") according to a set of clues. Each white square is typically filled with one letter, while the black squares are used to ...
Some people consider Fill-Ins to be an easier version of the crossword. [6] Since the Fill-In requires no outside knowledge of specific subjects, [ 7 ] one can solve the puzzle in another language. [ 3 ]