Supersonic Trebuchet [video]By simonebrunozzi · 2026-08-08 · 2 points · 0 commentshttps://www.youtube.com/watch?v=Co57SfcT-h0By simonebrunozzi · 2 points · 0 comments · on Hacker News, read on BetterNews.Open the full discussion on BetterNews