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It's thought that Archimedes, the ancient Greek scientist, used lodestone to pull nails from enemy ships in war to make them collapse and sink.
The answer to this question depends on what period of ancient china you are referring to.
It is 3.
They used sun dials
What purpose did the ancient compass serve
China is one. Lodestone is the main ingredient of a magnet.
compass
Vikings and Ancient egyptians were known to use magnetic rocks 'Lodestone' as simple magnetic compass'.
It's thought that Archimedes, the ancient Greek scientist, used lodestone to pull nails from enemy ships in war to make them collapse and sink.
A lodestone or loadstone is a naturally magnetized piece of the mineral magnetite. They are naturally occurring magnets that attract pieces of iron. Ancient people first discovered the property of magnetism in lodestone.No one invented them. They are natural.The discovery of Lodestone:One of the first references to lodestone's magnetic properties is by 6th century BC Greek philosopher Thales of Miletus. He is credited by the ancient Greeks with discovering lodestone's attraction to iron and other lodestones.
The answer to this question depends on what period of ancient china you are referring to.
The first literary reference to magnetism was the 4th century BCE in China.
to point!
Ancient China invented a many number of things including the commonly used mobile phone
Lodestone.
Food and Shoelaces.
the silk weaver . and she from ancient china