The idea that a hidden fourth dimension could be woven into everyday reality is no longer just a science‑fiction trope.

The notion of dimension at first seems intuitive. Glancing out the window we might see a crow sitting atop a cramped flagpole experiencing zero dimensions, a robin on a telephone wire constrained to ...

You start at one corner on the top level of a Maze Tesseract (the green 'Start' location in the Graphic) and you have to move to the opposite corner on the bottom level of the Maze Tesseract (the ...

You write about complex electric circuits used to represent a fourth physical dimension (17 October, p 40). For a lighter take on a fourth dimension, read “–And He Built a Crooked House–” by Robert A.