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  2. Wyna Liu - Wikipedia

    en.wikipedia.org/wiki/Wyna_Liu

    Her first New York Times crossword was published in February 2019. [1] In 2020, Liu was hired as an associate puzzle editor in the New York Times games department. She is also an assistant editor at the American Values Club Crossword. [1] [2] In 2022, Liu constructed the final round puzzle for the American Crossword Puzzle Tournament. [3]

  3. Chopping tool - Wikipedia

    en.wikipedia.org/wiki/Chopping_tool

    Chopping tools. In archaeology a chopping tool is a stone tool. Stone tools are usually dated by determining the age of the find context e.g. by carbon-14 dating and potassium–argon dating. The oldest stone tools are about 3 million years old. Chopping tools mainly occur in the Olduwan (2.9 to 1.6 million years ago).

  4. Crossword - Wikipedia

    en.wikipedia.org/wiki/Crossword

    Crossword-like puzzles, for example Double Diamond Puzzles, appeared in the magazine St. Nicholas, published since 1873. [31] Another crossword puzzle appeared on September 14, 1890, in the Italian magazine Il Secolo Illustrato della Domenica. It was designed by Giuseppe Airoldi and titled "Per passare il tempo" ("To pass the time"). Airoldi's ...

  5. Chopper (archaeology) - Wikipedia

    en.wikipedia.org/wiki/Chopper_(archaeology)

    To create this tool, one would have to use a hammerstone to chip away flakes on the stone to create a side of the stone with a very sharp edge, allowing for the cutting and hacking of an object. This is a unique type of lithic reduction , as only a single side of the stone is retouched to produce the cutting surface of the stone.

  6. John Thompson (Canadian poet) - Wikipedia

    en.wikipedia.org/wiki/John_Thompson_(Canadian_poet)

    At the Edge of the Chopping there are no Secrets, Stilt Jack John Thompson (17 Mar 1938 – 26 Apr 1976) was an English-born, Canadian poet, translator and university professor. He is noted for his mastery of poetic forms, which he used to express the intensity and power of images in spare and precise language evoking beauty and wonder, anguish ...

  7. List of Martin Gardner Mathematical Games columns - Wikipedia

    en.wikipedia.org/wiki/List_of_Martin_Gardner...

    How to cook a puzzle, or mathematical one-uppery 1966 Jun: The persistence (and futility) of efforts to trisect the angle: 1966 Jul: Freud's friend Wilhelm Fliess and his theory of male and female life cycles 1966 Aug: Puzzles that can be solved by reasoning based on elementary physical principles 1966 Sep: The problem of Mrs. Perkins' quilt ...

  8. Hand axe - Wikipedia

    en.wikipedia.org/wiki/Hand_axe

    The latter two, softer hammers can produce more delicate results. However, a hand axe's technological aspect can reflect more differences. For example, uniface tools have only been worked on one side and partial bifaces retain a high proportion of the natural cortex of the tool stone, often making them easy to confuse with chopping tools.

  9. Chopping tools - Wikipedia

    en.wikipedia.org/?title=Chopping_tools&redirect=no

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