Wikipedia also has numerous sister projects like Wikibooks and Wikiversity (including open access WikiJournal) which aim to fill in the details. All these proje

Wikipedia also has numerous sister projects like Wikibooks and Wikiversity (including open access WikiJournal) which aim to fill in the details. All these project taken together can indeed fulfill the *aspirational* goal of noting down all human knowledge. If we ever reach there is of course upto us.