What do you get when you stack a bunch of congruent concentric circles on top of each other?
Appreciation Photography
Math Photo: The Origin
At first it bothered me, but now I appreciate the slow deformation of quadrilaterals from top left to bottom right in this coordinate system, centered at the sun.
Geometry Photography
Math Photo: Helical Projections
A playground structure in downtown San Francisco cast some really lovely shadows that I struggled to capture.
The structure itself is a helical ramp that reminds me of a parametric surface area problem from multivariable calculus class.
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Appreciation Art Geometry Photography
Math Photo: Blue Buckyball
A beautiful sculpture and a beautiful blue sky in front of San Francisco’s Exploratorium. I wonder if the same artist was responsible for the temporary exhibit in Madison Square Park a few years ago?
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Photography
Math Photo: Spherical Nest
While in Berkeley, CA for MSRI’s Critical Issues in Mathematics Education conference, I happened upon this lovely piece of public art. Walking around the sphere I wondered about the maximum percentage of sky able to sneak through the numerous nested layers.