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The latest blog posts to take off on Hacker News. 2,668 posts.

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2019
1531

IBM and the Holocaust (2017)

I have spent the last couple of years teaching folks about surveillance and what they can do about it, primarily in partnership with the Civil Liberties Defense Center and through a interdisciplinary course on surveillance and social movements . In reading about surveillance, I had come across, in multiple places, a…

1554

Vim tricks

I’ve been using Vim for eight years and am still discovering new things. This is usually seen as a Good Thing About Vim. In my head, though, it’s a failing of discoverability: I keep discovering new things because Vim makes it so hard to know what’s available. While people often talk about the beauty of modal editing…

1560

A Visual Introduction to Morse Theory

In a previous article , I already introduced manifolds and their, ahem, manifold ways. Among the many interesting comments I received about this article, some were dealing with a basic question, namely how to measure the properties of a manifold. In this article, I want to present a few concepts from Morse theory …