It is quite famous in hn and discussed a lot.

https://news.ycombinator.com/item?id=31261533

https://news.ycombinator.com/item?id=38591084

His whole blog is a treasure trove:

https://ciechanow.ski/gps/

https://ciechanow.ski/airfoil/

https://ciechanow.ski/internal-combustion-engine/