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  2. Edge-matching puzzle - Wikipedia

    en.wikipedia.org/wiki/Edge-matching_puzzle

    TetraVex is a computer game that presents the player with a square grid and a collection of tiles, by default nine square tiles for a 3×3 grid. Each tile has four single-digit numbers, one on each edge. The objective of the game is to place the tiles into the grid in the proper position, completing this puzzle as quickly as possible.

  3. Einstein problem - Wikipedia

    en.wikipedia.org/wiki/Einstein_problem

    The einstein problem can be seen as a natural extension of the second part of Hilbert's eighteenth problem, which asks for a single polyhedron that tiles Euclidean 3-space, but such that no tessellation by this polyhedron is isohedral. [3] Such anisohedral tiles were found by Karl Reinhardt in 1928, but these anisohedral tiles all tile space ...

  4. Penrose tiling - Wikipedia

    en.wikipedia.org/wiki/Penrose_tiling

    One approach is to color the vertices (with two colors, e.g., black and white) and require that adjacent tiles have matching vertices. [32] Another is to use a pattern of circular arcs (as shown above left in green and red) to constrain the placement of tiles: when two tiles share an edge in a tiling, the patterns must match at these edges. [21]

  5. Square tiling - Wikipedia

    en.wikipedia.org/wiki/Square_tiling

    There are 3 regular complex apeirogons, sharing the vertices of the square tiling. Regular complex apeirogons have vertices and edges, where edges can contain 2 or more vertices. Regular apeirogons p{q}r are constrained by: 1/p + 2/q + 1/r = 1. Edges have p vertices, and vertex figures are r-gonal. [3]

  6. Tile - Wikipedia

    en.wikipedia.org/wiki/Tile

    Mineral fiber tiles are fabricated from a range of products; wet felt tiles can be manufactured from perlite, mineral wool, and fibers from recycled paper; stone wool tiles are created by combining molten stone and binders which is then spun to create the tile; gypsum tiles are based on the soft mineral and then finished with vinyl, paper or a ...

  7. Man City continue to falter, Christian Pulisic can’t be ...

    www.aol.com/sports/man-city-continue-falter...

    Christian and Alexis break down Manchester City’s loss to Liverpool. They also react to Christian Pulisic’s continued hot streak and what it may means for the American’s future. Then ...

  8. Tessellation - Wikipedia

    en.wikipedia.org/wiki/Tessellation

    A normal tiling is a tessellation for which every tile is topologically equivalent to a disk, the intersection of any two tiles is a connected set or the empty set, and all tiles are uniformly bounded. This means that a single circumscribing radius and a single inscribing radius can be used for all the tiles in the whole tiling; the condition ...

  9. Fast-Food Chains With The Worst Food Poisoning Outbreaks - AOL

    www.aol.com/finance/fast-food-chains-worst-food...

    1. McDonald’s (2024) McDonald’s is currently in full-blown damage control as sales drop across multiple locations, with the largest fast-food chain the country being at the center of one of ...