By Ian Stewart
From the maths of mazes, to cones with a twist, and the fantastic sphericon - and the way to make one - Ian Stewart is again with extra mathematical tales and puzzles which are as quirky as they're interesting, and every from the leading edge of the area of arithmetic.
We know about the math of time commute, discover the form of teardrops (which will not be tear-drop formed, yet whatever a lot, even more strange!), dance with dodecahedra, and play the sport of Hex, among many weirder and pleasant mathematical diversions.
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