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  2. Mechanical puzzle - Wikipedia

    en.wikipedia.org/wiki/Mechanical_puzzle

    A noteworthy puzzle, known as the Chinese rings, Cardans' rings, the Baguenaudier or the Renaissance puzzle was mentioned in circa 1500 as Problem 107 of the manuscript De Viribus Quantitatis by Luca Pacioli. The puzzle is again referred to by Girolamo Cardano in the 1550 edition of his book De subtililate. Although the puzzle is a ...

  3. Pyramid puzzle - Wikipedia

    en.wikipedia.org/wiki/Pyramid_puzzle

    Pyramid puzzle, a type of mechanical puzzle Topics referred to by the same term This disambiguation page lists articles associated with the title Pyramid puzzle .

  4. Tower of Hanoi - Wikipedia

    en.wikipedia.org/wiki/Tower_of_Hanoi

    The Tower of Hanoi (also called The problem of Benares Temple, [1] Tower of Brahma or Lucas' Tower, [2] and sometimes pluralized as Towers, or simply pyramid puzzle [3]) is a mathematical game or puzzle consisting of three rods and a number of disks of various diameters, which can slide onto any rod.

  5. List of Martin Gardner Mathematical Games columns - Wikipedia

    en.wikipedia.org/wiki/List_of_Martin_Gardner...

    An octet of problems that emphasize gamesmanship, logic and probability 1969 May: The rambling random walk and its gambling equivalent 1969 Jun: Random walks, by semidrunk bugs and others, on the square and on the cube 1969 Jul: Tricks, games and puzzles that employ matches as counters and line segments 1969 Aug

  6. Rubik's Triamid - Wikipedia

    en.wikipedia.org/wiki/Rubik's_Triamid

    The puzzle was patented in Hungary in 1991. [2] It was re-released in 2017 at the American International Toy Fair [3] by Winning Moves. The puzzle is similar to the Rubik's Cube in that the objective is to manipulate the puzzle until all sides are uniform in colour. The puzzle itself forms a triangular pyramid, so that there are four sides and ...

  7. Cannonball problem - Wikipedia

    en.wikipedia.org/wiki/Cannonball_problem

    A triangular-pyramid version of the cannonball problem, which is to yield a perfect square from the N th Tetrahedral number, would have N = 48. That means that the (24 × 2 = ) 48th tetrahedral number equals to (70 2 × 2 2 = 140 2 = ) 19600. This is comparable with the 24th square pyramid having a total of 70 2 cannonballs. [5]

  8. Conway puzzle - Wikipedia

    en.wikipedia.org/wiki/Conway_puzzle

    Pieces used in the Conway puzzle. Conway's puzzle, or blocks-in-a-box, is a packing problem using rectangular blocks, named after its inventor, mathematician John Conway.It calls for packing thirteen 1 × 2 × 4 blocks, one 2 × 2 × 2 block, one 1 × 2 × 2 block, and three 1 × 1 × 3 blocks into a 5 × 5 × 5 box.

  9. Missing square puzzle - Wikipedia

    en.wikipedia.org/wiki/Missing_square_puzzle

    The missing square puzzle is an optical illusion used in mathematics classes to help students reason about geometrical figures; or rather to teach them not to reason using figures, but to use only textual descriptions and the axioms of geometry. It depicts two arrangements made of similar shapes in slightly different configurations.