July 31, 2016

Dewberry


Dewberry. Missouri, 1980.

Photo by I. Peterson

July 30, 2016

Pitt Point


Fifth Avenue Place, Pittsburgh, Pennsylvania, 2010.

Photo by I. Peterson

July 29, 2016

Silver Wave


Amity by David Lee BrownThe Gallery at Market East, Philadelphia, Pennsylvania, 2000.

Photo by I. Peterson

July 28, 2016

Alien Shadows


Bradley University, Peoria, Illinois, 2009.


Photo by I. Peterson

July 27, 2016

Ellipsoid Spirals


Longwood Gardens, Kennett Square, Pennsylvania, 1978.

Photo by I. Peterson

July 25, 2016

Web Galaxy


Water droplets on a spider web. Big Basin Redwoods State Park, California, 1983.

Photo by I. Peterson

July 24, 2016

July 23, 2016

Waterfall Heights


Waterfall. Columbia River Valley, Oregon, 1977.

Photo by I. Peterson

July 22, 2016

Canyon Cracks


Agawa Canyon. Algoma, Ontario, 1974.

Photo by I. Peterson

July 21, 2016

July 20, 2016

Knight's Tour


Synergy (8 x 8 x 8 Knight Tour) by Loren Larson. St. Olaf College, Northfield, Minnesota, 2010.

For more, see "Knight Moves in 3D." Also: "A Knight's Tour de Force" by Adam H. Berliner.

Photo by I. Peterson

July 19, 2016

Circles Series


Circle III (foreground) of David Smith's Circles series. National Gallery of Art, Washington, D.C., 2008.

Photo by I. Peterson

July 18, 2016

Stepped Triangle


Untitled sculpture by Donald Judd. National Gallery of Art, Washington, D.C., 2008.

Photo by I. Peterson

July 17, 2016

July 16, 2016

July 15, 2016

Longfellow in Nova Scotia


Henry Wadsworth Longfellow, 1807-1882. Grand-Pre National Historic Site of Canada, Grand Pre, Nova Scotia, 1974.

Plaque text: "Evangeline", his poignant tale of the Acadian lovers of Grand Pre has enshrined in the hearts of the world the tragic memory of the expulsion, two centuries ago.

Photo by I. Peterson

July 14, 2016

Cylinder Moon


Cylinder Moon by Cheryl Farber Smith. Department of Mathematics, University of Nebraska, Lincoln, 2012.

Photo by I. Peterson

July 12, 2016

Rain Garden Forms


Vascular Form #10 (detail) by Foon Sham. Rain Garden installation, L Street and 19th Street, N.W., Washington, D.C., 2016.


Turning Point (foreground) and Droplet. 


Droplet.

Photos by I. Peterson

July 11, 2016

Stone Flower


Montreal, Quebec, 2010.

Photo by I. Peterson

July 10, 2016

Broken Bridge


Near Columbia, Missouri, 1981.

Photo by I. Peterson

July 9, 2016

Campus Peepholes


Peephole sculpture (untitled) by Charles Huntington. Western Michigan University, Kalamazoo, Michigan, 2011.


Photos by I. Peterson

July 8, 2016

July 7, 2016

Shell Deposit


Shells. Ocean City, Maryland, 1979.

Photo by I. Peterson

July 6, 2016

Prairie Sunset


Prairie sunset. Manitoba, 1977.

Photo by I. Peterson

July 5, 2016

Capitol Reflections


Reflected image of the Wisconsin State Capitol. Madison, Wisconsin, 2008.

Photo by I. Peterson

July 4, 2016

July 3, 2016

Pentagons for Floors


Tiling of identical pentagons, foyer floor. Mathematical Association of America (MAA) Headquarters, Washington, D.C., 2008.


Photo by I. Peterson

July 2, 2016

Fifth Third


Fifth Third Bank logo. Lexington, Kentucky, 2011.


Shouldn't that be five thirds?

Photos by I. Peterson

July 1, 2016

Canada Day View


View from the roof of the Embassy of Canada toward the U.S. Capitol. Washington, D.C., Canada Day, 1986.

Photo by I. Peterson