Puzzle It Out: Cubes, Groups and Puzzles
John Ewing, Czes Kosniowski, "Puzzle It Out: Cubes, Groups and Puzzles"
1982 | pages: 70 | ISBN: 0521289246 | DJVU | 2,8 mb
1982 | pages: 70 | ISBN: 0521289246 | DJVU | 2,8 mb
It is not often that a puzzle becomes so popula s at least seen one. This has been the case with The Cube.
Part of the fascination of The Cube is that is is inui^ moujuai a wy. incicry vy praying with The Cube, without even solving it, you are actually learning a piece of mathematics known as the theory of groups.
And if you have ever wondered how anyone could work out a solution to The Cube then by reading this little book you will find out that the answer is "by using groups". But you don't have to know any mathematics to understand what is going on. John and Czes introduce groups by using simple experiments with four coloured squares (which you can cut out from the book) and The Cube. They then explain how to analyse sequences of Cube moves and briefly summarise one solution to illustrate the ideas of group theory.
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