Most cited

Posts that commenters keep linking to, ranked by how many different people have cited them in Hacker News comments. 475 posts.

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2020
161

GPG and Me (2015)

I receive a fair amount of email from strangers. My email address is public, which doesn’t seemto be a popular choice these days, but I’ve received enough inspiring correspondence over the yearsto leave it be.When I receive a GPG encrypted email from a stranger, though, I immediately get the fee...

167

Programming with Categories

In this course we explain how category theory—a branch of mathematics known for its ability to organize the key abstractions that structure much of the mathematical universe—has become useful for writing elegant and maintainable code. In particular, we'll use examples from the Haskell programming language to motivate…

174

Banks, QE, and Money-Printing

Published November 2020 Lately, it has become fashionable to debate what is, or is not, “money-printing” by central banks. This debate is natural, due to the extreme policy nature of 2020, with massive fiscal expenditures, huge increases in central bank balance sheets, and changes in central bank inflation targets…

176

What is Electricity? (1996)

What is electricity? This question is impossible to answer because the word " Electricity " has several contradictory meanings. These different meanings are incompatible, and the contradictions confuse everyone. If you don't understand electricity, you're not alone. Even teachers, engineers, and scientists have a hard…