A Doodle Reveals da Vinci’s Early Deconstruction of Gravity - The New York Times
https://www.nytimes.com/2023/02/17/science/leonard-da-vinci-gravity.htmlLeonardo noted link between gravity and acceleration centuries before Einstein | Ars Technica
https://arstechnica.com/science/2023/02/leonardo-noted-link-between-gravity-and-acceleration-centuries-before-einstein/