Thanks! Macroexpanded:

So You Want to Learn Physics (2016) - https://news.ycombinator.com/item?id=24088985 - Aug 2020 (124 comments)

So You Want to Learn Physics (2016) - https://news.ycombinator.com/item?id=18374994 - Nov 2018 (122 comments)

So You Want to Learn Physics - https://news.ycombinator.com/item?id=12691963 - Oct 2016 (129 comments)