compass
The compass was a important invention, made by the Chinese, because it helped travelers find there destination if they were lost and could be very useful in many different problems. They also most likely have a compass on ships.
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A compass can be used to find your way.
The bubble in a compass is significant because it helps ensure accuracy when taking readings. It indicates whether the compass is level, which is important for obtaining precise directional information.
The magnetic compass is important for navigation because it provides a reliable way to determine direction, even when other technologies fail. It has been used for centuries by sailors, pilots, and hikers to find their way and can be crucial for safety in unfamiliar or remote locations.
In my opinion I think the magnetic compass is more important because It made worldwide travel easier and encouraged more exploration.
Around the thirteenth century, this magnetic compass became important to mariners because sometimes, their astronomical cues would be hidden by the clouds and they couldn't find direction but with this compass, it always pointed north to the earth's magnetic field and revealed all the directions.
Four most important inventions: Paper, gunpowder, printing, compass
Both the caravel astrolabe and the magnetic compass are important navigation tools for a ship, but the magnetic compass is generally considered more crucial. The compass provides a reliable and constant indication of the ship's direction, allowing for accurate navigation even when visibility is limited. The caravel astrolabe, on the other hand, is used to measure the altitude of celestial objects to determine latitude, and while it is helpful for navigation, it is not as essential as the magnetic compass.