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Inside Ernő Rubik's Philosophy — insisting it was found, not invented
A study of Ernő Rubik built only from what he has said in public. The 1974 wooden prototypes that all fell apart. The month-plus it took him to solve his own object. The vocabulary he keeps returning to — "the cube was not created as a puzzle; I discovered the potential of a puzzle." His view that rules are to be exhausted rather than broken. The slogan about unsolvable problems that he retracts in the same breath. His distance from his creation's fame. And the influences he does name: his father's glider designs, and Mother Nature. Seven primary sources spanning 2010 to 2024, closing with Kizuki's own reading.
花山 Cast Puzzle（1983）——Nob Yoshigahara 连结金属拼图与数字密室游戏的谱系
1983年，日本玩具制造商花山（Hanayama）推出了金属分解拼图系列「Cast Puzzle」。负责监修的拼图设计师 Nob Yoshigahara（1936-2004）之手，无意间将这段无文字的金属拼图经验，与1996年的滑块拼图《Rush Hour》，以及2012年问世、后登陆Steam的密室拼图《The Room》连接了起来。本文追溯这条历经40年仍未完全解开的谱系。
河内塔（1883）—— 留下递归遗产、永无终结的64枚圆盘
1883年，法国数学家Édouard Lucas以「N. Claus (de Siam)」为笔名推出了一款木制玩具。三根柱子，大小各异的圆盘，仅有两条规则。然而其朴素外表之下，蕴含着移动n枚圆盘至少需要2ⁿ−1步的递归数学。本文从历史视角重新审视这款玩具的真正起源、贝纳勒斯关于64枚圆盘完成时世界将终结的虚构传说，以及「递归」与「状态空间」的思想为后世计算机科学与现代谜题所留下的遗产。
