00:00In China, magnetic devices used to determine direction have been known since ancient times.
00:05Over the centuries, the compass evolved, and its use in maritime navigation is attested during the period of the
00:10Song.
00:11It allows navigators to better orient themselves, especially when terrestrial landmarks are absent.
00:16Its gradual adoption in different regions of the world is helping to change travel and maritime trade.
00:22It does not replace the observation of stars, winds and coasts, but becomes an essential navigation tool.
00:27A small magnetic needle thus contributed to the expansion of global trade.
