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Puzzle of the Month: Popular Science, April 1960

Mark Frauenfelder at 4:04 pm Wed, Aug 24, 2005

Kindle

Popscipuzzles1960

(Click on thumbnail for enlargement) Here's a fun puzzle from the April 1960 issue of Popular Science. Submit your answer to puzzletime@gmail.com.

Mark Frauenfelder is the founder of Boing Boing and the editor-in-chief of MAKE and Cool Tools. Twitter: @frauenfelder. Come and hear Mark speak at the ALA conference in Chicago on July 1.

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