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  2. Chalkboard art - Wikipedia

    en.wikipedia.org/wiki/Chalkboard_art

    Chalkboard art or chalk art is the use of chalk on a blackboard as a visual art. It is similar to art using pastels and related to sidewalk art that often uses chalk. Chalkboard art is often used in restaurants, shops or walls. Chalkboard art has also been done on large boards while storytelling on beaches and in Churches.

  3. Blackboard - Wikipedia

    en.wikipedia.org/wiki/Blackboard

    Uses. Reusable writing surface on which text or drawings are made. A blackboard or a chalkboard is a reusable writing surface on which text or drawings are made with sticks of calcium sulphate or calcium carbonate, known, when used for this purpose, as chalk. Blackboards were originally made of smooth, thin sheets of black or dark grey slate stone.

  4. Do Not Erase: Mathematicians and Their Chalkboards

    en.wikipedia.org/wiki/Do_Not_Erase:...

    Most of the photographs show the chalkboard in a moment drawn from the mathematician's work on it, depicting how mathematicians think, work, and communicate with each other. Some other photographs show chalk drawings that were deliberately created to be photographed for this book. The mathematicians themselves are not depicted.

  5. Chalkboard scraping - Wikipedia

    en.wikipedia.org/wiki/Chalkboard_scraping

    Chalkboard scraping. Scraping a chalkboard (also known as a blackboard) with one's fingernails produces a sound and feeling which most people find extremely irritating. The basis of the innate reaction to the sound has been studied in the field of psychoacoustics (the branch of psychology concerned with the perception of sound and its ...

  6. Gary Simmons (artist) - Wikipedia

    en.wikipedia.org/wiki/Gary_Simmons_(artist)

    Gary Simmons (born April 14, 1964) is an American artist from New York City. Using icons and stereotypes of American popular culture, he creates works that address personal and collective experiences of race and class.

  7. Sam Butcher - Wikipedia

    en.wikipedia.org/wiki/Sam_Butcher

    As a young man, Butcher was a "chalkboard minister," spreading the teachings of Christianity through illustrations. This job paid very little, so he supplemented his income as a janitor. With the guide of Reverend Royal Blue, Butcher made the decision to follow deeper into Christianity.

  8. Blackboard bold - Wikipedia

    en.wikipedia.org/wiki/Blackboard_bold

    Blackboard bold used on a blackboard. Blackboard bold is a style of writing bold symbols on a blackboard by doubling certain strokes, commonly used in mathematical lectures, and the derived style of typeface used in printed mathematical texts.

  9. Chalkboard (typeface) - Wikipedia

    en.wikipedia.org/wiki/Chalkboard_(typeface)

    Chalkboard is a font released by Apple in 2003. It was released as part of Mac OS X v10.3 [1] and the 10.2.8 update . It is regularly compared to Microsoft's Comic Sans font, which has shipped with Mac OS since Mac OS 8.6 in 1999, although it is not a perfect substitute font since the two are not metrically compatible.