I’ve been thinking about recursion lately, which of course (if you think about it) usually means I’m thinking about thinking about recursion, which of course…
Category Archives: math
Pointy Things + Round Things
Circles and Triangles are in many ways about a far apart as shapes can get; and yet… and yet.
Archimedes’ Fatal Work Ethic
You have to respect a mathematician who’s so engrossed in his work that he doesn’t even notice the Romans invading his city…
Dinner-Party Puzzle Fail
Charles Dodgson (a.k.a. Lewis Carroll) learns how NOT to perform post-prandial high-stakes testing…
Lewis Carroll’s River Crossing Puzzle
This logic puzzle was a favorite of math professor (and part-time wonderlander) Charles Dodgson …
Alexander Horned Sphere
Sometimes you have to draw such a thing before it jumps up and comes to life and runs away on you …
Decision Tree
Discrete Regretroactology is the study of finite sequences of decisions and their effects on the appearances of stick figures involved in them …
Pythagoras Tree
It takes some careful attention to grow a healthy specimen …
Cantor Angel
At first glance, your typical Cantor Set can appear rather stilted & stodgy… But what if there were a different way to envision this structure?
More Knots
I guess technically some of these are knots, and some are… well… not.
Un-possible Cubes
Hollow cubes, both possible and un-possible:
Prime Spirals
Just playing around a bit with the Ulam spiral… It makes me want to cover the walls with such spirals to study how patterns form along diagonals:
