Discussed once (and I do mean once):
Historical Tech Tree - https://news.ycombinator.com/item?id=44104243 - May 2025 (1 comment)
Edit: oops!
The Universal Tech Tree - https://news.ycombinator.com/item?id=44161607 - June 2025 (65 comments)
Historical Tech Tree - https://news.ycombinator.com/item?id=44104243 - May 2025 (1 comment)
Edit: oops!
The Universal Tech Tree - https://news.ycombinator.com/item?id=44161607 - June 2025 (65 comments)
(A link to an article about how it's made, with 65 comments)