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  2. Einstein's Blackboard - Wikipedia

    en.wikipedia.org/wiki/Einstein's_blackboard

    Einstein's Blackboard is a blackboard [1] which physicist Albert Einstein (1879–1955) used on 16 May 1931 during his lectures while visiting the University of Oxford in England. [2] [3] The blackboard is in the collection of the Museum of the History of Science in Oxford. [4] [5] The equations in the blackboard are related to the cosmological ...

  3. Urban Dictionary - Wikipedia

    en.wikipedia.org/wiki/Urban_Dictionary

    Urban Dictionary is a crowdsourced English-language online dictionary for slang words and phrases. The website was founded in 1999 by Aaron Peckham. Originally, Urban Dictionary was intended as a dictionary of slang or cultural words and phrases, not typically found in standard English dictionaries, but it is now used to define any word, event, or phrase (including sexually explicit content).

  4. Twitter - Wikipedia

    en.wikipedia.org/wiki/Twitter

    Twitter is a popular social media platform that allows users to post and interact with short messages called tweets. Learn more about its history, features and impact on Wikipedia.

  5. Portal 2 - Wikipedia

    en.wikipedia.org/wiki/Portal_2

    Portal 2 is a 2011 puzzle-platform game developed by Valve for Windows, Mac OS X, Linux, PlayStation 3, and Xbox 360. The digital PC version is distributed online by Valve's Steam service, while all retail editions were distributed by Electronic Arts. A port for the Nintendo Switch was included as part of Portal: Companion Collection .

  6. Blackboard system - Wikipedia

    en.wikipedia.org/wiki/Blackboard_system

    A blackboard system is the central space in a multi-agent system. It's used for describing the world as a communication platform for agents. To realize a blackboard in a computer program, a machine readable notation is needed in which facts can be stored. One attempt in doing so is a SQL database, another option is the Learnable Task Modeling ...

  7. Blackboard bold - Wikipedia

    en.wikipedia.org/wiki/Blackboard_bold

    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. The style is most commonly used to represent the number sets ( natural numbers ), ( integers ), ( rational numbers ), ( real numbers ), and ...

  8. Serial Experiments Lain - Wikipedia

    en.wikipedia.org/wiki/Serial_Experiments_Lain

    A high school girl commits suicide by jumping off a rooftop late at night. A week later, students are getting emails from the girl, named Chisa Yomoda, which claim that she only gave up her body, but is actually still alive inside the virtual world (known as the Wired), saying that there is a God that exists there.

  9. Portal:The arts - Wikipedia

    en.wikipedia.org/wiki/Portal:The_arts

    The arts or creative arts are a wide range of human practices of creative expression, storytelling, and cultural participation. They encompass multiple diverse and plural modes of thinking, doing, and being, in an extremely broad range of media. Both dynamic and a characteristically constant feature of human life, they have developed into ...