Meet Zdenka Guadarrama, Ph.D., an associate professor and chair of the department of mathematics at the Rockhurst University in Kansas City, Missouri! She is passionate about mathematics education and outreach, with her work currently focusing on mathematics curriculum development through inquiry, and the intersections of mathematics with other fields, particularly the arts. Here’s her review of…
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Do you see anything unusual about this picture? These two boys are identical twins; but not just any twins: they are mirror twins! That means that many of their features are mirror images of each other. What you can’t see in the picture is that one of the boys is a left-handed and the other…
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What can a chair teach us about integral calculus? Quite a bit, if you have right chair. British designer Julian Mayor made just such a chair: Mr. Mayor reckons the chair is much more comfortable than it looks; Igor (pictured sitting) certainly seems happy. Regardless of Igor’s comfort, the chair is a great illustration of what we mean…
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To be perfectly honest, I have no idea whether Archimedes wore earrings. However, I couldn’t help but think of him when I saw the posts on Kumiko’s earrings: If you look closely, you will see that the post is a cuboctahedron, which is one of the Archimedean solids. A cuboctahedron is roughly what you get…
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