Ancient people primarily made magnets by using naturally occurring magnetic rocks called lodestones. They also discovered that they could magnetize iron or steel by touching it to a lodestone.
Here's a breakdown of the methods:
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Lodestones:
- These are naturally magnetized pieces of the mineral magnetite.
- Ancient people discovered that lodestones could attract iron.
- They used lodestones directly as magnets.
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Magnetization by Contact:
- The ancient Chinese discovered that rubbing a piece of iron or steel against a lodestone would transfer the lodestone's magnetism to the iron or steel.
- This created a temporary magnet.
- The more the iron or steel was rubbed, the stronger the resulting magnet would be. This is because the magnetic domains in the iron or steel would align with the magnetic field of the lodestone.
In summary, ancient magnet creation relied on naturally occurring magnets (lodestones) and the process of magnetization by contact with these lodestones.