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  2. Facebook Stories - Wikipedia

    en.wikipedia.org/wiki/Facebook_Stories

    It is focused around Facebook's in-app camera which allows users to add fun filters and Snapchat-like lenses to their content as well as add visual geolocation tags to their photos and videos. The content is able to be posted publicly on the Facebook app for only 24 hours or can be sent as a direct message to a Facebook friend. [1]

  3. Checker shadow illusion - Wikipedia

    en.wikipedia.org/wiki/Checker_shadow_illusion

    An illusion closely related to the checker shadow illusion, which also relies on using implied visual shadows to seemingly darken a brighter region to the same color as a well-lit dark region, involves two squares placed at an angle, with the darker square being lit and the lighter square at an angle which receives poor light. [2]

  4. Vanishing point - Wikipedia

    en.wikipedia.org/wiki/Vanishing_point

    The vanishing point may also be referred to as the "direction point", as lines having the same directional vector, say D, will have the same vanishing point. Mathematically, let q ≡ ( x , y , f ) be a point lying on the image plane, where f is the focal length (of the camera associated with the image), and let v q ≡ ( ⁠ x / h ⁠ , ⁠ y ...

  5. Shadowgraphy (performing art) - Wikipedia

    en.wikipedia.org/wiki/Shadowgraphy_(performing_art)

    Shadowgraphy or ombromanie is the art of performing a story or show using images made by hand shadows. It can be called "cinema in silhouette". It can be called "cinema in silhouette". Performers are titled as a shadowgraphist or shadowgrapher.

  6. Reverse perspective - Wikipedia

    en.wikipedia.org/wiki/Reverse_perspective

    Technically, the vanishing points are placed outside the painting with the illusion that they are "in front of" the painting. The name Byzantine perspective comes from the use of this perspective in Byzantine and Russian Orthodox icons ; it is also found in the art of many pre-Renaissance cultures, and was sometimes used in Cubism and other ...

  7. Story (social media) - Wikipedia

    en.wikipedia.org/wiki/Story_(social_media)

    In March 2017, a story function was introduced in Facebook Messenger. [7] In February 2018, Google launched AMP Stories, bringing a story-style format to certain Google search results on mobile devices. [8] In August 2018, YouTube introduced a stories function that initially was limited to pictures, but was later expanded to support short video ...

  8. The Vanishing Shadow - Wikipedia

    en.wikipedia.org/wiki/The_Vanishing_Shadow

    The Vanishing Shadow, Chapter 1. The Vanishing Shadow is a 1934 Universal science fiction film serial directed by Lew Landers. [2] It features what is believed to be the first appearance of a hand-held ray gun in film. [3] (apart from The Death Ray). Many science fiction gadgets, including a robot and The Destroying Ray, are also featured in ...

  9. In Praise of Shadows - Wikipedia

    en.wikipedia.org/wiki/In_Praise_of_Shadows

    In Praise of Shadows (陰翳礼讃, In'ei Raisan) is a 1933 essay on Japanese aesthetics by the Japanese author Jun'ichirō Tanizaki. It was translated into English, in 1977, by the academic students of Japanese literature Thomas J. Harper and Edward Seidensticker. A new translation by Gregory Starr was published in 2017.