Rambagh Palace Hotel, Jaipur, India, 2010.
Photos by I. Peterson
January 31, 2017
January 30, 2017
January 29, 2017
Brick Shadows
Floor pattern, Academic Quadrangle. Rice University, Houston, Texas, 2008.
Photo by I. Peterson
January 28, 2017
January 27, 2017
January 26, 2017
January 25, 2017
January 24, 2017
January 23, 2017
Light Waves
Pan American Health Organization, 23rd Street, NW, Washington, D.C., 2010.
Photo by I. Peterson
January 22, 2017
Block Forms
Rectangular-block sculpture, Wean Hall. Carnegie Mellon University, Pittsburgh, Pennsylvania, 2009.
Photos by I. Peterson
January 21, 2017
January 20, 2017
January 19, 2017
Impossible Logo
Discovery Place, Charlotte, North Carolina, 2011.
See also "Utility Box Impossibility."
Photo by I. Peterson
January 18, 2017
January 17, 2017
January 16, 2017
January 15, 2017
January 14, 2017
January 13, 2017
Stone Triangle
Guennette by Michael Heizer. Massachusetts Institute of Technology, Cambridge, Massachusetts, 2009.
Photo by Ivars Peterson
January 12, 2017
4729494
Tessellation Tango (detail showing Archimedes' cattle problem number) by Linda Vanderkolk and Scott Frankenberger, Mathematical Sciences Research Center. Berkeley, California, 2011.
See also "Tessellation Tango" and "Tumbling Blocks."
Photo by I. Peterson
January 11, 2017
January 10, 2017
Endless Twist
Endless Ribbon by Max Bill. Janet and Alan Wurtzburger Sculpture Garden, Baltimore Museum of Art, Baltimore, Maryland, 2012.
See also "Endless Ribbon."
Photo by I. Peterson
January 9, 2017
January 8, 2017
Shore Shells
Sydney Opera House, constructed from sections of a sphere. Sydney, Australia, 1979.
See also "Sydney's Spherical Shells."
Photo by I. Peterson
January 7, 2017
Lamp Leaves
Ornate sconce, Battle Hall. University of Texas at Austin, Austin, Texas, 2009.
Photo by I. Peterson
January 6, 2017
Star Mandala
Painted mandala with an eight-pointed star. Homage to St. EOM's Pasaquan by Eddie Owens Martin, Folk Art Park, Atlanta, Georgia.
See also "Atlanta Mandala."
Photo by I. Peterson
January 5, 2017
Stairwell Light
Williams Performing Arts Center, Abilene Christian University, Abilene, Texas, 2010.
Photo by I. Peterson
January 4, 2017
January 3, 2017
January 2, 2017
Heads or Tails
Heads or Tails by Frank Stella. Lobby, Tang Building, Massachusetts Institute of Technology, Cambridge, Massachusetts, 2009.
Photo by I. Peterson
January 1, 2017
2017
2017 is a prime number.
2017 is 11111100001 in binary.
2017 is a central polygonal number: a number of the form k(k + 1)/2 + 1, where k = 63 (A000124). It is the maximum number of pieces of a circular pizza that you can make with 63 straight cuts.
2017, (2017 + 1)/2 = 1009, and (2017 + 2)/3 = 673 are all primes (A036570).
2017 = 502 + 504 + 505 + 506 (the sum of four consecutive composite numbers) (A060329). 2017 is also the sum of eight consecutive composite numbers (A060333).
2017 is a generalized canyon prime (A183087).
2017 is a year with 53 Sundays, according to the Gregorian calendar (A242593).
2017 has been designated by the United Nations as the International Year of Sustainable Tourism for Development.