You, and I, and your friends, are going to play a game:

• I put a black-or-white hat on each of you.
• Each of you gets to see everybody else’s hat-colors, but not your own.
• Each of you writes down …

A friend is hosting a party tonight! It’ll cost me 200 microCOVIDs, which, as a healthy thirty-something, I very cautiously estimate to cost about 2 micromorts,¹ which is roughly equivalent to 1 …

This is a very special time of year, when my whole social bubble starts murmuring about nuclear war, and sometimes, some of those murmurers, urging their listeners to worry more, will state: …

• Take two moderately interesting functions that map the unit square to itself; for example, \[(x,y) \rightarrow \left(1-y^2, \sqrt{x}\right)\] and \[(x,y) \rightarrow \left(\frac{x+y}{2}, x\right)\]. …