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  2. Alstonia scholaris - Wikipedia

    en.wikipedia.org/wiki/Alstonia_scholaris

    Alstonia scholaris, commonly called blackboard tree, scholar tree, milkwood or devil's tree in English, is an evergreen tropical tree in the Dogbane Family (Apocynaceae).It is native to southern China, tropical Asia (mainly the Indian subcontinent and Southeast Asia) and Australasia, where it is a common ornamental plant.

  3. Talk:Blackboard - Wikipedia

    en.wikipedia.org/wiki/Talk:Blackboard

    Racial Significance[ edit] The term "blackboard" is politically incorrect and deemed racist by many people with low intelligence. Generally, most schools call it a "Blackboard" or a "Whiteboard". The word blackboard is perfectly fine to use, and anyone who does assume it is racist to state what said object is, is a complete idiot.

  4. Blackboard: African American Bestsellers - Wikipedia

    en.wikipedia.org/wiki/Blackboard:_African...

    BlackBoard: African American Bestsellers is an organization that promotes bestselling titles written by and about African Americans. [1] The BlackBoard Bestsellers List was started in August 1991 by Faye Childs and Debbie Wade. The list appears monthly and is syndicated in newspapers. [2] BlackBoard gathers bestseller information from African ...

  5. Stephen Gilfus - Wikipedia

    en.wikipedia.org/wiki/Stephen_Gilfus

    Stephen Gilfus. Stephen Gilfus is an American businessman, entrepreneur, architect and engineer known as "The Father of Modern E-Learning". He is a founder of Blackboard Inc. and CourseInfo LLC, where he held executive positions from 1997 to 2007. In July 2007, Gilfus started a global education think tank in Washington, DC, focused on education ...

  6. Glossary of mathematical symbols - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_mathematical...

    Glossary of mathematical symbols. A mathematical symbol is a figure or a combination of figures that is used to represent a mathematical object, an action on mathematical objects, a relation between mathematical objects, or for structuring the other symbols that occur in a formula. As formulas are entirely constituted with symbols of various ...

  7. 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 ...

  8. Michael Chasen - Wikipedia

    en.wikipedia.org/wiki/Michael_Chasen

    Michael Chasen is an American businessman. He is a co-founder and former CEO of Blackboard Inc., a position he held from 1999 to 2012. In April 2013, Chasen co-founded SocialRadar, a technology startup company developing a location-based social app. In 2020, he co-founded ClassEDU, the maker of Class For Zoom, which aims to improve the ...

  9. Blackboard Jungle (game show) - Wikipedia

    en.wikipedia.org/wiki/Blackboard_Jungle_(game_show)

    Blackboard Jungle is an Irish quiz show hosted by Ray D'Arcy that aired for seven series on Network 2 between 1991 and 1998. The show, which aired up to three times a week, featured two teams of three representing two competing secondary schools .

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