Well, he looks angry to me.
Photography
Math Photo: Ceiling Curves
As my Mom recovered from knee surgery, we passed some time by looking for math in her hospital room. She pointed out these tracks on the ceiling that allow the curtains to run along curvy paths. It put me in mind of an exponential function, or something with a directrix.
Geometry Photography
Math Photo: Isosceles Triangle in Nature
Well, it’s sort of natural. If nothing else, it demonstrates nature’s desire for symmetry.
Application Geometry Photography
Math Photo: Knitting the Plane
As opposed to tiling the plane, here’s knitting the plane. Or, the fence.
As you can see, they’ve still got a ways to go!
And this isn’t the first example of mathematical knitting I’ve seen: check out this knitted Klein bottle!
Geometry Photography
Math Photo: Riemann Building
Something compelled me to photograph this building as I was strolling around one steamy afternoon.
And then I realized why: it reminded me of a 3-dimensional Riemann sum!
I did not attempt to estimate its volume.