Logic Puzzles The 100 Prisoners Problem — the Box-Opening Trick That Lifts Survival from ~0% to 31% Jul 22, 2026
Logic Puzzles The Tower of Hanoi — the Recursive Puzzle Where 64 Disks Take 580 Billion Years Jul 22, 2026
Logic Puzzles The River Crossing Puzzle — Wolf, Goat and Cabbage, a 1,200-Year-Old Problem Jul 22, 2026
Unsolved Problems The Collatz Conjecture — A Child's Game That Has Beaten Math for 80 Years Jul 22, 2026