Σ strawberry-rhubarb pie

I made this strawberry-rhubarb pie, using this recipe as a general guideline. It was a Christmas present for E.No, that's not an "E," it's a "Σ."

This post's theme comic is a cautionary tale about mathematics in non-mathematical realms of life:

Rubik's yeah!

My graduation date may need to be pushed back a few years. I love these puzzles. This one in particular is quite devious. Mind games. The math is so delicious.


This post's theme word: birl, "to rotate (a floating log) by running on it in place," or "to spin or rotate. "