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O'Rourke, Joseph
How to fold it : the mathematics of linkages, origami, and polyhedra / Joseph O'Rourke
Alternate Title Mathematics of linkages, origami, and polyhedra
Cambridge ; New York : Cambridge University Press, c2011
book jacket
Location Call Number Status
 4th Floor  QA564 .O76 2011    AVAILABLE
Subject(s) Liaison theory (Mathematics)
Origami -- Mathematics
Protein folding
Physical Description xii, 177 p. : ill. (chiefly col.) ; 24 cm
Note Includes bibliographical references (p. 142-146) and index
Summary "What do proteins and pop-up cards have in common? How is opening a grocery bag different from opening a gift box? How can you cut out the letters for a whole word all at once with one straight scissors cut? How many ways are there to flatten a cube? With the help of 200 colour figures, author Joseph O'Rourke explains these fascinating folding problems starting from high school algebra and geometry and introducing more advanced concepts in tangible contexts as they arise. He shows how variations on these basic problems lead directly to the frontiers of current mathematical research and offers ten accessible unsolved problems for the enterprising reader. Before tackling these, you can test your skills on fifty exercises with complete solutions. The book's website,, has dynamic animations of many of the foldings and downloadable templates for readers to fold or cut out"--Provided by publisher
Note Part I. Linkages: 1. Robot arms; 2. Straight-line linkages and the pantograph; 3. Protein folding and pop-up cards; Part II. Origami: 4. Flat vertex folds; 5. Fold and one-cut; 6. The shopping bag theorem; Part III. Polyhedra: 7. Durer's problem: edge unfolding; 8. Unfolding orthogonal polyhedra; 9. Folding polygons to convex polyhedra; 10. Further reading; 11. Glossary; 12. Answers to exercises; 13. Permissions and acknowledgments

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