Download the Entire G4G12 Exchange Book
At the request of our community, we are now offering both volumes of the G4G12 Exchange Book for download in their entirety. The PDF files are large and may take a few moments to download; please be patient. Enjoy!
Schedule
- Bob Hearn — G4G12 Schedule
Art
- Vladimir Bulatov — 3D Printed Fractal Pendant
- Vladimir Bulatov — Making Fractal Pendant in ShapeJS
- Mark Burstein and Jim Gardner — Cover Drawing
- Gwen Fisher — Topologically Interesting Felt
- Pedro Jorge Freitas and Simão Palmeirim Costa — Almada Negreiros and the Geometric Canon
- Lew Goldklang — Head Lines
- George Hart and Elizabeth Heathfield — Making Math Visible
- Fred Henle — Space-Filling Curves on Non-Periodic Tilings
- Margaret Elizabeth Kepner — A Year of Pentomino Tilings
- James Lee — Menger Sponge in Mathematica
- Alexa Meade — Up Down Coin
- Alexa Meade — Double Take
- Robert Orndorff— Folding Method for “OSU Triptych No. 2”
- Norton Starr — Greek Cross Puzzle
Games
- Kate Jones — Celebration of Mind 2015
- Kate Jones — Gamepuzzles!
- William Liles — Fair Poker with Marked Cards
- Robert Morrill and Yunhao Fu — Black or White
Magic
- Hirokazu Iwasawa — Magic Math Puzzles
- Doron Levy — Two Person Telepathy
Math
- Adam Atkinson — The Samaritani Formula – More Details
- Nancy Blachman — Saint Mary’s Math Contest Qualifying Problems
- Kenneth Brecher — The “PhiTop”: A Golden Ellipsoid
- Paul Clarke — Breaking Squares and Cubes
- Jill Cochran, Eric McDowell and Ron Taylor — Roots of Polynomials with Fibonacci Coefficients
- Stephen Fenner, William Gasarch, Charles Glover and Semmy Purewal — On the Border Between Recreational and “Serious” Mathematics
- Susan Goldstine — Hexalfexagons and the Other Feynman Diagrams
- Richard Guy — The Leaning Tower of Pingala
- Akio Hizume — Fibonacci Pavilion
- Calvin Hurlbert and Glenn Hurlbert — Storming the Castle
- Glenn Hurlbert — The Composer
- Louis Kauffman — Two Math Fables
- Louis Kauffman — The Quaternion Demonstrator
- Tanya Khovanova — Thinking Inside and Outside the Box
- Robert Munafo — Analogue Approximation Finder
- Eleftherios Pavlides, Thomas Banchoff and Sarah Thompson — Hinge-elastegrity’s Shape-shifting
- Tomas Rokicki and Gil Dogon — Larger Golomb Rulers
- Michael Tanoff — Philatelic 12s for G4G12
- John J. Watkins — Trapezoids, Primes, and Cousins
- Colin Wright — The Doodle Theorem
Legacy
- Jeremiah Farrell — Paul Swinford — a Tribute
- Jeremiah Farrell — A Special Tribute to Martin Gardner
- Karen Farrell and Jeremiah Farrell — Kate Jones — a Tribute
- Kate Jones — Twelveness
- Kate Jones — The Playable Art of Kate Jones
- Louis Kauffman — Self-Description
- Colm Mulcahy — Martin Gardner’s little known collaborations with Paul Erdös & Nicolas Bourbaki
- Peter Renz — Martin Gardner and Scientific American
- Dana Richards — Juvenilia
Puzzles
- George Bell — A 12-Loop 4 G4G12
- Nancy Blachman — A Sample of Mathematical Puzzles
- David Cohen — 12 Flower Puzzle
- Erik Demaine and Martin Demaine — Secret Messages in Juggling and Card Shuffling
- Yossi Elran — The 100 Prisoners Puzzle Revisited
- Jeremiah Farrell — A New 12-Puzzle
- Andrea Gilbert — Six “Step-over” Logic Mazes
- Markus Goetz — Mini Folding Puzzles
- Chaim Goodman-Strauss — Table Tiling
- Bill Gosper and Neil Bickford— Bill & Neil’s Ill-fated Space-Cube Gift
- Rik van Grol — Speed Cubing
- Emrehan Halici — Five Problems
- George Hart — Hinge-a-Tron
- Bob Hearn — A Trio of Coin-Jumping Puzzles
- Dick Hess — Double Dummy Problems
- Carl Hoff — Abstract
- Carl Hoff — Wrap O-round Weave 5, or WOW5
- Carl Hoff — Carl’s Puzzles
- Wei-Hwa Huang — Masyu and Yin-yang Puzzles
- Peter Knoppers — Martin Gardner Modular Origami G4G12 Rhombic Dodecahedron – Abstract
- Peter Knoppers — Martin Gardner Modular Origami G4G12 Rhombic Dodecahedron – 12 Sheets
- Robert Lang — DeZZ Unit
- Roy Leban — Cubes for G4G12
- David Leschinsky — Eureka’s General Thinking Processing Chart
- Daniel Levy — Perplexing Puzzle Poem in Pentameter
- George Miller and Nick Baxter — The Mystery of The Calibron Twelve Block Puzzle
- Chris Morgan and Jeremiah Farrell — The White Rabbit 12-Puzzle
- Stuart Moskowitz — Which Man Disappears?
- Pradeep Mutalik — How Puzzles Made Us Human
- Pradeep Mutalik — The Sleeping Beauty Paradox Resolved
- Erika B. Roldan and Martinez I. Pérez — The Mutando of Insanity
- David Singmaster — About Puzzle Grills
- Hideki Tsuiki — 3D Sudoku and 4D Sudoku
- Ryuhei Uehara — Jangrams, Polygons Folding to Three Boxes
- Frans de Vreugd — Incredible 18 Piece Burrs
Science
- Shannon Lieb and Jeremiah Farrell — The Jing and Jang of Quantum Physics Truth Tables
***Important Note Regarding Gift Exchange Copyright***
In the spirit of Martin Gardner, who believed in inclusiveness and the sharing of knowledge and curiosity, and as a non-profit that benefits from the generosity of our community, G4G is pleased to give back to the world by making the G4Gn Gift Exchange Books available for download online.
However, these papers are a compilation of original material and the contributors retain their copyrights. No part of the Gift Exchange Books may be reproduced or distributed in any form, without prior written permission from the original author. If you would like to request permission to reproduce or alter any G4G paper, please contact support@g4gfoundation.org and we can put you in contact with the author.