My kids and I painted and carved pumpkins last night. And, yes, we made a pumpkin pi.
Division by Zero
A blog about math, puzzles, teaching, and academic technology
Contact info
My book
Euler's Gem: The polyhedron formula and the birth of topology
Princeton University Press
2008
Euler's Gem Facebook page
Buy it:
Princeton University Press
Amazon
Princeton University Press
2008
Euler's Gem Facebook page
Buy it:
Princeton University Press
Amazon
- "Confusion is the sweat of learning." —@rjallain (Source: wired.com/2016/09/colleg…) 1 hour ago
- On why a diverse faculty is important: "It challenges [students]…to think differently about who produces knowledge.” washingtonpost.com/news/grade-poi… 2 hours ago
- A goofy variation of the Vanishing Leprechaun that I haven't seen before: moillusions.com/puzzling-missi… https://t.co/30Vz37CGOn 3 hours ago
- Robert Schneider of Apples in Stereo (& PhD student of Ken Ono) recorded this song for Richard Guy's 100th birthday. youtube.com/watch?v=2RAalm… 1 day ago
- RT @dansmath: I have cool neighbors. Should I hang out by this parked car just to meet this person? https://t.co/H3JdyyxHik 1 day ago
Recent Posts
Top Posts
- How to curve an exam and assign grades
- Make a Sugihara Circle/Square Optical Illusion Out of Paper
- What is the difference between a theorem, a lemma, and a corollary?
- Sugihara's Circle/Square Optical Illusion
- Music is math: ten songs about mathematics
- Is or an inclusive or or an exclusive or?
- Lincoln and squaring the circle
- A Geometry Theorem Looking for a Geometric Proof
- LaTeX now available in Google Docs
- Infinite hat problems (solutions)
