One of our fondest memories from the 1980’s is watching Magnum P.I. on television. Higgins, Magnum’s employer, had a puzzle box that Magnum could never figure out how to open. Now you can laser cut a ...
It sounds like a challenge from a [Martin Gardner] math puzzle from the Scientific American of days gone by: is it possible to build a three-dimensional wooden box with only two surfaces? It turns out ...
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