Leetcode Weekly Breakdown #432 (rev. ) Intuition, code, and explanations for #1 (Zigzag Grid Traversal with Skip) and #2 (Maximum Amount of Money Robot Can Earn)
On Everything (rev. ) An exploration of universes containing anything and everything, and a useful language to describe them.
On Infinity (rev. ) Or, why pi is unnamed in an alternate universe. An introduction to finiteness, infiniteness, and some silly consequences of these notions.