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  2. Zebra Puzzle - Wikipedia

    en.wikipedia.org/wiki/Zebra_Puzzle

    The Zebra Puzzle is a well-known logic puzzle.Many versions of the puzzle exist, including a version published in Life International magazine on December 17, 1962. The March 25, 1963, issue of Life contained the solution and the names of several hundred successful solvers from around the world.

  3. Einstein's thought experiments - Wikipedia

    en.wikipedia.org/wiki/Einstein's_thought_experiments

    Einstein later refined his thought experiment to consider a man inside a large enclosed chest or elevator falling freely in space. While in free fall, the man would consider himself weightless, and any loose objects that he emptied from his pockets would float alongside him. Then Einstein imagined a rope attached to the roof of the chamber.

  4. David Smith (amateur mathematician) - Wikipedia

    en.wikipedia.org/wiki/David_Smith_(amateur...

    Smith discovered a 13-sided polygon in November 2022 whilst using a software package called PolyForm Puzzle Solver to experiment with different shapes. [4] After further experimentation using cardboard cut-outs, he realised that the shape appeared to tessellate but seemingly without ever achieving a regular pattern.

  5. These 3D Brain Teaser Puzzles Require Logic and Geometry for ...

    www.aol.com/lifestyle/3d-brain-teaser-puzzles...

    Tycho 3D Brain Teaser Puzzle. The Tycho puzzle is hefty and beautiful, with eight interlocking stainless steel and brass components. You spin it on a countertop to break it apart, then reassemble ...

  6. Brain of Albert Einstein - Wikipedia

    en.wikipedia.org/wiki/Brain_of_Albert_Einstein

    The brain of Albert Einstein has been a subject of much research and speculation. Albert Einstein 's brain was removed within seven and a half hours of his death. His apparent regularities or irregularities in the brain have been used to support various ideas about correlations in neuroanatomy with general or mathematical intelligence.

  7. Einstein–Podolsky–Rosen paradox - Wikipedia

    en.wikipedia.org/wiki/Einstein–Podolsky–Rosen...

    The term "Einstein–Podolsky–Rosen paradox" or "EPR" arose from a paper written in 1934 after Einstein joined the Institute for Advanced Study, having fled the rise of Nazi Germany. [ 3 ] [ 4 ] The original paper [ 5 ] purports to describe what must happen to "two systems I and II, which we permit to interact", and after some time "we ...

  8. Instant Insanity - Wikipedia

    en.wikipedia.org/wiki/Instant_Insanity

    The puzzle is studied by D. E. Knuth in an article on estimating the running time of exhaustive search procedures with backtracking. [2] Every position of the puzzle can be solved in eight moves or less. [3] The first known patented version of the puzzle was created by Frederick Alvin Schossow in 1900, and marketed as the Katzenjammer puzzle. [4]

  9. Ghost Trick: Phantom Detective - Wikipedia

    en.wikipedia.org/wiki/Ghost_Trick:_Phantom_Detective

    To aid in puzzle construction, the development team would reference a "foreign book" speculated to be Baby Einstein's Wordsworth's Book of Words. According to an interview with Joystiq , the book contained images of everyday objects paired with names and descriptions, and "whatever caught [Takumi's] eye" would become part of a puzzle.