Spherical Symmetry in Temari

Temari ball pattern with spherical symmetry by Carolyn Yackel. Math-Art Exhibit, National Math Festival, Washington, D.C., 2017.

See also "Temari Symmetry" and "Temari Ball Symmetry."

Photo by I. Peterson

Hyperbolic Rose

Hyperbolic Disc with Red Rim by Gabriele Meyer. Math-Art Exhibit, National Math Festival, Washington, D.C., 2017.

See also "Hyperbolic Quilt," "Bead Creatures," and "Hyperbolic Crocheting."

Photo by I. Peterson

Autumn Star

Autumn by George W. Hart. Math-Art Exhibit, National Math Festival, Washington, D.C., 2017.

See also "Gyrangle." 

Photo by I. Peterson

Gordian Wood Knot

Gordian Knot by Koos Verhoeff. Math-Art Exhibit, National Math Festival, Washington, D.C., 2017.

For more by Koos Verhoeff, see "Fractal Tree in Bronze."

See also "Gordian Knot Theory."

Photo by I. Peterson

Sunwork

Artery Plaza Sunwork by John Van Alstine. Wisconsin Avenue, Bethesda, Maryland, 2017.

Photos by I. Peterson

Metro Arch

Gallery Place-Chinatown Metro station. Washington, D.C., 2017.

Artwork at the Chinatown exit: The Glory of Chinese Descendants by Foon Sham.

See also "Rain Garden Forms."

Photo by I. Peterson

Old Vic

Victoria College (Old Vic), University of Toronto, Toronto, Ontario, 2017.

"The Truth Shall Make You Free."

Photos by I. Peterson

Knot Crossings

Kells Nest by Bill Vazan. St. Michael's College, University of Toronto, Toronto, Ontario, 2017.

See also "Chaos Speaks" and "Worm Tracks."

Photos by I. Peterson

Niagara Falls in Spring

Springtime view of the American Falls, Bridal Veil Falls, and Horseshoe Falls, Niagara Falls, Ontario, 2017.

Photo by I. Peterson

Concrete Wave

Wave by Ted Bieler. Medical Science Building, University of Toronto, Toronto, Ontario, 2017.

See also "Block Wall" and "Helix of Life."

Photo by I. Peterson

Toronto Time

Sundial. Sanford Fleming Building, University of Toronto, Toronto, Ontario, 2017.

Photo by I. Peterson

Bronze Power

Survivors Are Not Heroes by Sorel Etrog. Hart House, University of Toronto, Toronto, Ontario, 2017.

Photos by I. Peterson

Spiked Triangles

Sculpture by Ron Baird. College Street, Faculty of Architecture, University of Toronto, Toronto, Ontario, 2017.

Photos by I. Peterson

Arched Petals

Entrance, Govinda's, Hare Krishna Temple (formerly Avenue Road Church), Avenue Road, Toronto, Ontario, 2017.

Photo by I. Peterson

Folded Triangles

Michael by Anne Allardyce. St, Michael's College, University of Toronto, Toronto, Ontario, 2017.

Photo by I. Peterson

Weather Observation

Weather observation tower. Headquarters (1909-1971), Meteorological Service of Canada. Munk School of Global Affairs, University of Toronto, Toronto, Ontario, 2017.

Photos by I. Peterson

Park Vessel

The Vessel by Ilan Sandler. Taddle Creek Park, Toronto, Ontario 2017.

See also "Almost a Klein Bottle."

Photo by I. Peterson

Sandstone Petals

Red sandstone and gray limestone decoration, Victoria College (Old Vic). University of Toronto, Toronto, Ontario, 2017.

Photo by I. Peterson

Block Wall

Concrete building facade designed by Ted Bieler and Robert Downing, Medical Science Building, University of Toronto, Toronto, Ontario, 2017.

Photos by I. Peterson

Helix of Life

Helix of Life by Ted Bieler. Medical Science Building, University of Toronto, Toronto, Ontario, 2017.

See also "Toronto Triad."

Photos by I. Peterson

Anadyomene

Anadyomene by Maryon Kantaroff. Northrop Frye Hall, Victoria University, Toronto, Ontario, 2017.

Photo by I. Peterson

H Slope

Becca's H by Robert Murray. Galbraith Building, University of Toronto, Toronto, Ontario, 2017.

Photo by I. Peterson

Chaos Speaks

Chaos Speaks by Bill Vazan. Hart House, University of Toronto, Toronto, Ontario, 2017.

See also "Worm Tracks."

Photos by I. Peterson

Toronto Alchemy

Alchemy symbol for cupric sulfate. Lash Miller Building, Department of Chemistry, University of Toronto, Toronto, Ontario, 2017.

Alchemy symbols for phlogiston, cinnabar of antimony, and mercury.

Photos by I. Peterson

Nestled Circles

Scollard Street, Yorkville Village, Toronto, Ontario, 2017.

Photo by I. Peterson

Arts Horizon

Horizon by Walter Yarwood. Sidney Smith Hall, University of Toronto, Toronto, Ontario, 2017.

Photo by I. Peterson

Blue Karma

Wall art, Karma Lane, Toronto, Ontario, 2017.

Photo by I. Peterson

Reza Sarhangi (1952-2016)

DahPar 1 by Reza Sarhangi (1952-2016). Math-Art Exhibit, National Math Festival, Washington, D.C., 2017.

Photo by I. Peterson

Rainbow Bridge

Arch structure, Niagara Falls International Rainbow Bridge, Niagara Falls, Ontario, 2017.

Photo by I. Peterson

Tensegrity Crown

V-X by Kenneth Snelson. Roof Terrace, East Building, National Gallery of Art, 2017.

See also "Kenneth Snelson (1927-2016)."

Photo by I. Peterson

Rooftop Maple

Japanese maple (Acer palmatum 'Moonfire'). Roof Terrace, East Building, National Gallery of Art, Washington, D.C., 2017.

Photo by I. Peterson

Rhombic Spiral

Rhombic spiral staircase (looking down). East Building, National Gallery of Art, Washington, D.C., 2017.

Rhombic spiral staircase (looking up).

Photos by I. Peterson