Per the article’s side bar, the astronaut was working through “How to Design Programs”, a book by several of the Racket contributors, including the article’s au

Per the article’s side bar, the astronaut was working through “How to Design Programs”, a book by several of the Racket contributors, including the article’s author, Shriram Krishnamurthi. As far as teaching languages go, scheme does have the advantage of having almost no punctuation to mess up. And DrRacket is a wonderfully beginner-friendly environment. I guess Hacker News might qualify as a real-world use of scheme/homoiconicity? I believe it runs on Arc, which runs on Racket. https://github.com/wting/hackernews https://github.com/wting/hackernews