February 22, 2018

Heavy Lifting


Spring City, Tennessee, 2014.

Photo by I.Peterson

February 21, 2018

Ellipsoid Hyperboloid


Plaster model of confocal ellipsoid and one-sheet hyperboloid. Mathematics Department, University of Toronto, Toronto, Ontario, 2012.


Photo by I. Peterson

February 19, 2018

Light Up


Light Up by Tony Smith. University of Pittsburgh, Pittsburgh, Pennsylvania, 2008.


Photos by I. Peterson

February 17, 2018

Saurien


Saurien by Alexander Calder. New York City, 2011.

See also "Black Planes"and "The Big Sail."

Photo by I. Peterson

February 16, 2018

Natural Cycles


Natural Cycles by Erik Demaine and Martin Demaine. Exhibition of Mathematical Art, Joint Mathematics Meetings, San Francisco, California, 2010.

Photo by I. Peterson

February 15, 2018

Beaded Rainbow Mandala



Rainbow Mandala by Laura Shea. Displayed at the Joint Mathematics Meetings, New Orleans, 2007.



Photos by I. Peterson

February 14, 2018

February 13, 2018

February 12, 2018

Sea Cave


South Coast, Australia, 1980.

Photo by I. Peterson

February 11, 2018

Stargazer Buoy


Miraestels by Robert Llimos. Barcelona, 2007.

Photo by I. Peterson

February 10, 2018

TV Man


TV Man or Five-Piece Cube with Strange Hole by David Bakalar. Massachusetts  Institute of Technology, Cambridge, Massachusetts, 2011.

Photo by I. Peterson

February 9, 2018

Fractal Tree Symmetry


Mitered Fractal Tree II by Koos Verhoeff, Tom Verhoeff, and Anton Bakker. Displayed at Bridges 2012, Towson University, Towson, Maryland, 2012.


Photo by I. Peterson

February 7, 2018

Liquid Silver


Lake MacDonald, Quebec, 2009.

Photo by I. Peterson

February 6, 2018

Way Out


Washington, D.C., 1981.

Photo by I. Peterson

February 5, 2018

Gargoyle Pig


Melrose Abbey, Scotland, 1975.


Gargoyle of a pig playing the bagpipes.

Photos by I. Peterson

February 4, 2018

February 3, 2018

February 2, 2018

February 1, 2018