Hacker News new | comments | show | ask | jobs | submit login

I thought he also built the canals in and around Milan. Most of them have been fileed, but the naviglio near 24 maggio still stands.

I hadn't heard of this. This page: http://www.museoscienza.org/english/leonardo/navigli/ seems to sum up the matter.

He didn't build the canals, but he did make several observations and proposals for improvements which were taken up by other engineers after his death. These attempts were riddled with problems, though, and the work eventually terminated (I inferred unsuccessfully).

Applications are open for YC Summer 2018

Guidelines | FAQ | Support | API | Security | Lists | Bookmarklet | Legal | Apply to YC | Contact