EI. How to Pass a Cube Through Itself!
We conclude our interview with Dana Richards, editor of Martin Gardner’s Colossal Book of Short Puzzles and Problems pondering how to cut a hole through a cube large enough that another, same-sized cube can pass through!
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strauss said,
August 23, 2008 at 7:14 pm
Here is a nice video on YouTube of a cube passing through a cube of the same size.
Shawn said,
June 14, 2012 at 1:16 am
The answer to the puzzle seems plausible if you observe the angle as being on a plane “oblique” to the faces of the cube. If you fold out the net of the cube into two-dimensions, however, it seems to suggest a different angle with the same pair of rays/sides.
Shawn said,
December 27, 2012 at 2:06 am
The problem seems to be topological… we are making assumptions involving Euclidean geometry when the topological space is the surface of a cube.