There were a number of navigational and sailing technologies that allowed European exploration of the world. Some of them included maps, compasses, quadrants, sextants, cross staff and astrolabes among others.
Several key technological inventions greatly aided sailors in their exploration and discovery of new lands. The compass allowed for accurate navigation by indicating direction, while the astrolabe and later the sextant enabled sailors to determine their latitude at sea. The development of the caravel, a ship design that combined speed and maneuverability, facilitated longer voyages. Additionally, advancements in cartography improved the accuracy of maps, helping explorers chart new territories more effectively.
The discovery that fresh fruit (particularly limes) prevented scurvy was important in improving the health of sailors on long distance voyages.
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A number of tools were used, European sailors used instruments called Crosstaffs and Backstaffs they were used to figure out location by using the stars.
yuo
I think they were the Vikings
find gold
viking ship designs.
yes
In the middle ages Europeans called China 'Cathay'.
it told them which direction they were going.