Expander graphs: the complete notes

Good interview with an online troll: "I am lucky to have not had people who liked me for who I was when I was truly awful" […]

On the problems caused when you create tshirts using a data mining algorithm. As Kevin Slavin has noted, this is how our culture is increasingly being created. […]

An extremely insightful talk about the way our society thinks about not-for-profit organizations. He highlights many of the systematic ways we hobble the not-for-profit sector. […]

Linked mostly for the title, which is the useful term "agnotology" - the study of ignorance. […]

Fun discussion of the minutiae of creating a book index. […]

A brief skim suggests that this is a very good basic guide to making documentaries. […]

Documentary of Wolfgang Steiner, one of the world's top ski-jumpers in the 1970s. The spine of the documentary is a sequence of extraordinary shots of Steiner's jumps, taken with a pair of high-speed cameras. […]

A reminder of the diversity of life: the passion and learning and insight people pour into calligraphy, font design, and design more generally. […]

Striking for the level of emotional commitment and uncertainty (and turmoil) on the part of the creators! […]

Remarkable survey of the cutting edge of surfing. We see the origins of tow-rope surfing (where surfers are pulled by jet skis into waves that are too big to paddle out to), the use of hydrofoil designs that put the board a foot or two _above_ the wave, and even the use of weather stations to monitor conditions out in mid-ocean, looking for giant waves. […]