The Mathematical Tourist

Split Strips
October 11, 2011
LeWitt's Complex Form
October 7, 2011
Incomplete Open Cubes
September 16, 2011
Mathematical Morsels I (Solutions)
September 16, 2011
Mathematical Morsels I
September 15, 2011
A Tetrahedral Forest
September 13, 2011
Block Patterns in Blue and White
September 11, 2011
Pythagorean Fractal Tree
September 8, 2011
Spiral Arms in Lexington
August 5, 2011
Geometrekking in Lexington
July 28, 2011
Endless Train Track
July 9, 2011
A Passion for Tossing Dice
July 7, 2011
Mobile of the Fourth Dimension
July 4, 2011
Box on Stilts
July 3, 2011
Almost a Klein Bottle
June 28, 2011
Borromean Triangles
June 27, 2011
Riding on Square Wheels
May 25, 2011
Fountain Parabolas
May 22, 2011
Segments of Circles, Sections of Spheres
March 13, 2011
Galileo's Vision in Missouri
March 6, 2011
Fountain, Wind, and Splash Pattern
February 21, 2011
Tessellation Tango
February 20, 2011
Penny Bias
February 5, 2011
Words with a Twist
January 10, 2011
Martin Gardner’s Möbius Surprise
October 20, 2010
Möbius in Toronto
October 12, 2010
Palace of Mirrors
September 21, 2010
Golden Circles
September 19, 2010
Tilings at the Taj Mahal
September 12, 2010
Giant Sundial
September 11, 2010
Octagons and Squares
September 9, 2010
Missing Numbers
August 29, 2010
Signs of Hyderabad II
August 24, 2010
Signs of Hyderabad I
August 23, 2010
English Play
August 23, 2010
A Diamond-Lattice Exoskeleton
August 18, 2010
Recycling Arrows
August 15, 2010
Manhole Cover Geometry
August 14, 2010
Suspension Roof
August 12, 2010
Unit Signs
August 10, 2010
French Curves
August 9, 2010
Numerology of Dome Skylights
August 6, 2010
IIII versus IV on Clocks
August 4, 2010
Thirteen Geometric Shapes
August 3, 2010
Sydney's Spherical Shells
August 1, 2010
SET Math
July 28, 2010
Knight Moves in 3D
July 21, 2010
Fractal Drum
July 19, 2010
Cloud Gate
July 17, 2010
Puzzling Lines
July 15, 2010
Geometreks in Pittsburgh
July 13, 2010
Hexagon Spire
July 11, 2010
Bending a Square Prism
July 10, 2010
Triune Twists
July 9, 2010
Paul Halmos on Writing Mathematics
July 8, 2010
Relentless Symmetry
July 6, 2010
Playground with a Twist
July 5, 2010
Liberty Revealed
July 4, 2010
Loops, Knots, and Unknots
July 2, 2010
Pythagoras at the Plate
June 30, 2010
A Faulty Sign
June 29, 2010
Fire Hydrant Pentagons
June 28, 2010
The Washington Right Triangle
June 27, 2010
Pi Places
June 26, 2010
The Mathematical Vocabulary Problem
June 22, 2010
Tiling by Isosceles Right Triangles
June 19, 2010
Light Rings
June 18, 2010
Tensegrity Tower in New Orleans
June 16, 2010
Three Sentinels
June 15, 2010
South Meets South
June 13, 2010
Hexagons, Pentagons, and Geodesic Domes
June 12, 2010
Skylight Fractal
June 9, 2010
Sliding Pi in Toronto
June 8, 2010
Communicating Mathematics
June 7, 2010
Square Pursuit
June 6, 2010
Tiling with Pentagons
June 5, 2010
American Meridian
June 4, 2010
Möbius Pop
June 3, 2010
Limits of Infinity
June 1, 2010
Walls, Windows, and Riemann Sums
May 31, 2010
Möbius Continuum
May 27, 2010
An Irresistible Edge
May 26, 2010
Splitting a Trapezoid
May 25, 2010
LeWitt's Pyramid
May 24, 2010
Martin Gardner's Generosity
May 23, 2010
Needle Tower
May 22, 2010
Infinity in Eight Minutes
May 20, 2010
The Street with No Name
May 19, 2010
Knotted Staircase
March 31, 2010
Deciphering Integer Sequences
March 10, 2010
A Drama of Forensic Mathematics
January 6, 2010
Running in the Rain
November 29, 2009
Random Bias
November 8, 2009
Cosmic Reflection
November 3, 2009
Drilling a Square Hole
August 31, 2009
The Geometric Spectacle of Water Fountains
August 20, 2009
High School Musical and Formulas for Pi
July 30, 2009
St. Louis Parabolas
July 13, 2009
From Hexagon to Square
June 18, 2009
The Ladies' Diary
March 26, 2009
Rock-Paper-Scissors for Winners
March 12, 2009
The Remarkable Miss Mullikin
February 20, 2009
Pondering an Artist's Perplexing Tribute to the Pythagorean Theorem
February 2, 2009
Overhang
January 28, 2009
Statistical Wear
January 2, 2009
Mathematical LIFE in Photos
November 19, 2008
Problems with Slipping Ladders
November 11, 2008
Improved Pancake Sorting
October 9, 2008
Waltz of the Cycloids
September 25, 2008
A Fractal in Bach's Cello Suite
September 3, 2008
A New Formula for Generating Primes
August 8, 2008
A Tetrix at Burning Man
July 14, 2008
Unveiling the Enigma Machine
May 30, 2008
The Most Marvelous Theorem
May 9, 2008
Newton’s Algebra Book
March 11, 2008
Stooges Statistics
February 14, 2008
Artful Twists
December 21, 2007
Random Walks to Football Rankings
November 15, 2007
Optimal Fetching
October 31, 2007
Norwegian Sol
October 18, 2007
Spontaneous Knotting
October 1, 2007
Folding a Klein Bottle
September 21, 2007
A CMJ Hit Parade
September 13, 2007
Rectangular States and Kinky Borders
August 30, 2007
The Number Pad Game
August 23, 2007
Symmetries of Beaded Beads
August 16, 2007
Tom Lehrer's Derivative Ditties
July 19, 2007
Binary Frieze
July 6, 2007
Wrapping a Perfect Sphere
June 28, 2007
Math Mag's Greatest Hits
June 8, 2007
Unwrapping Curves
June 4, 2007
Random-Turn Hex
May 29, 2007
Closet Doors
May 7, 2007
Integral Heptagons
April 30, 2007
The Fabulously Odd 11-Cell
April 23, 2007
Meccano Math
April 16, 2007
Flatland: The Movies
April 9, 2007
Waves of a Sea Battle
April 2, 2007
Mathematical Survivor
March 26, 2007
Lewis Carroll and His Telescoping Determinants
March 19, 2007
Euler's Beauties
March 12, 2007
Levers, Dials, and Mystic Math
March 5, 2007