Sue Fracker debuts in the New York Times Crossword. By Rachel Fabi TUESDAY PUZZLE — Congratulations to Sue Fracker, who is the 55th constructor to debut in 2022. This crossword puzzle has all the ...
After nearly two full days of note taking and digesting advanced research topics, I opted for a slight break for my brain. In a symposium entitled "Design of Mechanical Puzzles," various speakers ...
ANDOVER, Mass. -- Stewart Coffin clears a space on his dining room table and sets down a small rectangular wooden tray. Beside it he lays four wooden tiles, two triangles and two trapezoids. The ...
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