A surprising course review.
Bad exams, great class: an unusual case study in excellent teaching
Category: Math
Is a zebra black with white stripes, or white with black stripes?
When silly questions matter.
Humble Alternatives to Daylight Savings Time
Dilation savings time, and other ideas that can't be any worse than what we have now.
Defining “Cat” Without the Cat
Cat? Easily defined. Integral? Less so.
Books I Loved in 2020
Literary, sci-fi, nonfiction, and unclassifiably inventive.
Three Different Ways of Calling Math “Dry”
Mmm, dryness....
The Uncanny Wisdom of Twitter Polls
When are crowds smarter than individuals? And could it possibly happen in, of all places, Twitter?
Democracy isn’t math. But it isn’t NOT math.
A big-name new book, featuring a few of my scraggly illustrations.
Math Games with Bad Drawings
Your chance to help shape a forthcoming book.
Six Strategic Pen-and-Paper Games (from a Strange and Bottomless Mind)
Pencil, paper, and a little flash of genius.