> If you only observe the ripples in the bucket, you can reasonably derive where the thing was likely dropped. Akin to the Polynesian wave navigation using sti

> If you only observe the ripples in the bucket, you can reasonably derive where the thing was likely dropped. Akin to the Polynesian wave navigation using stick charts: http://thenonist.com/index.php/thenonist/permalink/stick_charts/ http://thenonist.com/index.php/thenonist/permalink/stick_cha...