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  2. Trapdoor - Wikipedia

    en.wikipedia.org/wiki/Trapdoor

    A trapdoor or hatch is a sliding or hinged door that is flush with the surface of a floor, ceiling, or roof. [1] It is traditionally small in size. [ 2 ] It was invented to facilitate the hoisting of grain up through mills, however, its list of uses has grown over time. [ 3 ]

  3. Trapdoor (disambiguation) - Wikipedia

    en.wikipedia.org/wiki/Trapdoor_(disambiguation)

    A trapdoor is a door set into a floor or ceiling. Trapdoor or Trap Door may also refer to: Trap Door, a science fiction fanzine; The Trap Door, a British animated TV series The Trap Door, a computer game based on the animated series; Trapdoor (software), a piece of computer software used for network administration

  4. Ctenizidae - Wikipedia

    en.wikipedia.org/wiki/Ctenizidae

    Ctenizidae (/ ˈ t ə n ɪ z ə d iː / tə-NIZZ-ə-dee) [2] is a small family of mygalomorph spiders that construct burrows with a cork-like trapdoor made of soil, vegetation, and silk. . They may be called trapdoor spiders, as are other, similar species, such as those of the families Liphistiidae, Barychelidae, and Cyrtaucheniidae, and some species in the Idiopidae and Nemesiid

  5. Trapdoor function - Wikipedia

    en.wikipedia.org/wiki/Trapdoor_function

    For any k ∈ K, without trapdoor t k, for any PPT algorithm, the probability to correctly invert f k (i.e., given f k (x), find a pre-image x' such that f k (x' ) = f k (x)) is negligible. [3] [4] [5] If each function in the collection above is a one-way permutation, then the collection is also called a trapdoor permutation. [6]

  6. Music of Minecraft - Wikipedia

    en.wikipedia.org/wiki/Music_of_Minecraft

    In composing music for Minecraft, she felt "immense pressure" to deliver due to the "very highly acclaimed score" already in the game. [7] After submitting a demo, her goal with the "Nether Update" soundtrack was to see how far she "could push the sound of the piano until it resembled other things entirely."

  7. Redstone (rocket family) - Wikipedia

    en.wikipedia.org/wiki/Redstone_(rocket_family)

    The Redstone family of rockets consisted of a number of American ballistic missiles, sounding rockets and expendable launch vehicles operational during the 1950s and 1960s. The first member of the Redstone family was the PGM-11 Redstone missile, from which all subsequent variations of the Redstone were derived.

  8. The Trap Door (video game) - Wikipedia

    en.wikipedia.org/wiki/The_Trap_Door_(video_game)

    The Trap Door was followed by a sequel in 1987 called Through The Trap Door, also written by Priestley and published by Piranha.This sequel is a multi-level platform game in which the player can switch between controlling Berk and Drutt.

  9. Trapdoor mechanism - Wikipedia

    en.wikipedia.org/wiki/Trapdoor_mechanism

    Springfield Model 1888, trapdoor mechanism open. In firearms, a trapdoor is a form of breech-loading mechanism for rifles in which a hinged breechblock rotates up and forward, resembling the movement of a trapdoor. [1] The Springfield models 1865 and 1873 were best known for first employing this type of action. [2]