Une toupie qui se retourne

Download the plans: https://copaindescopeaux.fr/component... A magic spinning top that flips over! (tippetop in English). The physical workings in detail: http://cordier-phychi.toile-libre.org... https://fr.wikipedia.org/wiki/Effet_D...    • The Bizarre Behavior of Rotating Bodies   Visit https://www.copaindescopeaux.fr for more videos, articles, and to subscribe to the newsletter! The forum: https://forum.copaindescopeaux.fr/ You can help us by making a donation here: https://copainsdescopeaux.fr/faire-un... or on Tipeee: https://fr.tipeee.com/copain-des-copeaux Even small amounts are greatly appreciated ;-)