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Braided rotating rings

Published online by Cambridge University Press:  22 September 2016

Jean J. Pedersen
Jean J. Pedersen*
Affiliation:
University of Santa Clara, Calfornia 95053, USA
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Extract

James R. Newman observed that “the most painful thing about mathematics is how far away you are from being able to use it after you have learned it” ([1], Vol. 3, p. 1978). Perhaps there is some sort of natural justice, then, in the fact that one of the most pleasant things about mathematics is that you don’t need to know very much about the subject in order to enjoy the puzzles, pastimes and toys that the study of mathematics has produced.

This article gives instructions for a new way to construct the mathematician’s toy which is called a “rotating ring”. I publish it in hopes that it may give you some pleasure and also provide a means by which you can entice your students to study the more serious aspects of solid geometry.

Type
Research Article
Information
The Mathematical Gazette , Volume 62 , Issue 419 , March 1978 , pp. 15 - 18
Copyright
Copyright © Mathematical Association 1978

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References

1. Newman, James R., The world of mathematics. Simon & Schuster (New York, 1956).Google Scholar
2. Ball, W. W. Rouse (revised by Coxeter, H. S. M.), Mathematical recreations and essays (11th edition). Macmillan (1939).Google Scholar
3. Gardner, Martin, Mathematical games, Scient. Am. September 1971, 204–212.Google Scholar
4. Pedersen, Jean J., Some whimsical geometry, Maths Teacher 65(6), 513–521 (October 1972).CrossRefGoogle Scholar