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  2. File:PeriodicTableOfHumanElements.pdf - Wikipedia

    en.wikipedia.org/wiki/File:PeriodicTableOfHuman...

    You are free: to share – to copy, distribute and transmit the work; to remix – to adapt the work; Under the following conditions: attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made.

  3. Quasicrystal - Wikipedia

    en.wikipedia.org/wiki/Quasicrystal

    The more precise mathematical definition is that there is never translational symmetry in more than n – 1 linearly independent directions, where n is the dimension of the space filled, e.g., the three-dimensional tiling displayed in a quasicrystal may have translational symmetry in two directions.

  4. Template:Article templates/Anatomy - Wikipedia

    en.wikipedia.org/wiki/Template:Article_templates/...

    Template documentation This template may have no transclusions , because it is substituted by a tool or script, it is used as part of a short-term or less active Wikipedia process, or for some other reason.

  5. Nonmetallic material - Wikipedia

    en.wikipedia.org/wiki/Nonmetallic_material

    Nonmetallic material, or in nontechnical terms a nonmetal, refers to materials which are not metals. Depending upon context it is used in slightly different ways. In everyday life it would be a generic term for those materials such as plastics, wood or ceramics which are not typical metals such as the iron alloys used in bridges.

  6. List of aperiodic sets of tiles - Wikipedia

    en.wikipedia.org/wiki/List_of_aperiodic_sets_of...

    An example of such a tiling is shown in the adjacent diagram (see the image description for more information). A tiling that cannot be constructed from a single primitive cell is called nonperiodic. If a given set of tiles allows only nonperiodic tilings, then this set of tiles is called aperiodic. [3]

  7. Template:Anatomy terms - Wikipedia

    en.wikipedia.org/wiki/Template:Anatomy_terms

    Place {{Anatomy terms}} in the "See also" section of the article. The above documentation is transcluded from Template:Anatomy terms/doc . ( edit | history )

  8. Intrinsic and extrinsic properties - Wikipedia

    en.wikipedia.org/wiki/Intrinsic_and_extrinsic...

    In materials science, an intrinsic property is independent of how much of a material is present and is independent of the form of the material, e.g., one large piece or a collection of small particles. Intrinsic properties are dependent mainly on the fundamental chemical composition and structure of the material. [1]

  9. Einstein problem - Wikipedia

    en.wikipedia.org/wiki/Einstein_problem

    The tiles are colored according to their rotational orientation modulo 60 degrees. [1] (Smith, Myers, Kaplan, and Goodman-Strauss) In plane geometry, the einstein problem asks about the existence of a single prototile that by itself forms an aperiodic set of prototiles; that is, a shape that can tessellate space but only in a nonperiodic way.