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The medieval Latin manuscript Propositiones ad Acuendos Juvenes (English: Problems to Sharpen the Young) is one of the earliest known collections of recreational mathematics problems. [1] The oldest known copy of the manuscript dates from the late 9th century. The text is attributed to Alcuin of York (died 804.) Some editions of the text ...
Abbreviations, the use of a foreign language, variant spellings, or other unusual word tricks are indicated in the clue. A crossword creator might choose to clue the answer SEN (as in the abbreviation for "senator") as "Washington bigwig: Abbr." or "Member of Cong.", with the abbreviation in the clue indicating that the answer is to be ...
A hand-held tungsten carbide knife sharpener, with a finger guard, can be used for sharpening plain and serrated edges on pocket knives and multi-tools.. Sharpening is the process of creating or refining a blade, the edge joining two non-coplanar faces into a converging apex, thereby creating an edge of appropriate shape on a tool or implement designed for cutting.
His favorite individual clue is "It might turn into a different story" (whose solution is SPIRAL STAIRCASE). [19] In addition to work as a crossword editor, Shortz is a skilled table tennis player. He has co-owned the Westchester Table Tennis Center in Pleasantville, New York since 2009, and has been playing table tennis daily for the past 11 ...
The number of words in the answer is not given in the clue—so a one-word clue can have a multiple-word answer. [28] The theme, if any, will be applied consistently throughout the puzzle; e.g., if one of the theme entries is a particular variety of pun, all the theme entries will be of that type. [9] Theme answers will tend to be the longest ...
Sharpen filter [ ] This matrix is obtained using the equation shown above under #Digital unsharp masking , using a uniform kernel with 5 pixels for the "blurred" image, and 5 for the "amount" multiplier:
In image processing, a kernel, convolution matrix, or mask is a small matrix used for blurring, sharpening, embossing, edge detection, and more.This is accomplished by doing a convolution between the kernel and an image.
Catch Phrase is an American game show which ran from September 16, 1985, through January 10, 1986, in syndication. The object of the show was to solve "catch phrases", which were animated picture puzzles designed to represent objects or sayings.