The Chosun Ilbo on MSN
South Korean researcher solves 60-year-old moving sofa problem
A South Korean researcher who solved the ‘moving sofa problem,’ a mathematical puzzle that had remained unsolved for nearly ...
K-VIBE on MSN
S Korean mathematician solves 6-decade math puzzle
S. Korean mathematician solves 6-decade math puzzle Baek Jin-eon, a 31-year-old research fellow at the June E Huh Center for ...
A new math puzzle designed to challenge readers of all ages is coming to the Daily Press. David Genter, a puzzle developer ...
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