Home›Open Questions›When did the Chinese magnetic compass move from a tool of divination and orientation to genuine sea navigation, and did the practice reach medieval Europe by transmission along existing trade routes or arise there independently?Open QuestionsWhen did the Chinese magnetic compass move from a tool of divination and orientation to genuine sea navigation, and did the practice reach medieval Europe by transmission along existing trade routes or arise there independently?Citation FormatsGeneral ReferenceGeneral Reference Citation TextTechnology and Engineering Atlas. "When did the Chinese magnetic compass move from a tool of divination and orientation to genuine sea navigation, and did the practice reach medieval Europe by transmission along existing trade routes or arise there independently?." Accessed August 30, 2026. https://dev-technology.interactiveatlas.org/open-questions-index/when-did-the-compass-become-a-navigational-instrument.Copy General ReferenceAPA StyleAPA Style Citation TextTechnology and Engineering Atlas. (n.d.). When did the Chinese magnetic compass move from a tool of divination and orientation to genuine sea navigation, and did the practice reach medieval Europe by transmission along existing trade routes or arise there independently?. Retrieved August 30, 2026, from https://dev-technology.interactiveatlas.org/open-questions-index/when-did-the-compass-become-a-navigational-instrumentCopy APA StyleBibTeXBibTeX Citation Text@misc{technologyandengineeringatlas-when-did-the-chinese-magnetic-compass-mo, author = {Technology and Engineering Atlas}, title = {When did the Chinese magnetic compass move from a tool of divination and orientation to genuine sea navigation, and did the practice reach medieval Europe by transmission along existing trade routes or arise there independently?}, year = {2026}, url = {https://dev-technology.interactiveatlas.org/open-questions-index/when-did-the-compass-become-a-navigational-instrument}, note = {Accessed August 30, 2026} }Copy BibTeXOpen QuestionCross-Tradition ConnectionsSourcesComments (0)Reader Challenges (0 open reader challenges)Open QuestionHan-dynasty lodestone-spoon use is attested for divination, and Shen Kuo's 1088 description is the first clear account of a directional needle, but no source pins down exactly when navigational use began or documents a transmission route to Europe.What would resolve this A dated Chinese or Islamic-world source describing shipboard compass navigation, or documentary evidence of a specific trade contact carrying the technology westward, would settle the timing and the transmission question respectively.OpenHistory of technologyWikipedia contributors, Compass (Wikipedia)Cross-Tradition ConnectionsQuestion OnThe Magnetic Compass, Inventions Well-attested Source Compass (Wikipedia)Wikipedia contributorstier 2SourcesCompass (Wikipedia)tier 2Wikipedia contributors, Wikimedia FoundationView the SourceComments (0)No comments yet. Be the first to share a thought.Sign in to join the discussion.Reader Challenges (0 open reader challenges)No disputes yet. Spotted an error or a better source? Open the first one.Sign in to dispute this or suggest a correction.View At A Past YearThe atlas records no dated fact of its own for this entry, so there is no other year to choose.Show This Year