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Can a magnet attract other metals or materials?
In the pre-Qin era, our ancestors have accumulated a lot of knowledge on permanent magnets. In exploring iron, they often encountered ore magnet, that is a magnet. These findings have long been documented.
Other ancient books, such as "Shan Hai Jing", also have a similar record. Magnet’s feature of attracting iron has long been found. In that time, people said "magnet" as "ci". They regarded magnet’s attraction to iron as the mother’s attraction to their children. They said: "The stone is the mother of the iron”, but a stone can be divided into two kinds. Love rock can attract his children, not merciful stone cannot attract.
Since the magnet can attract iron, can also they attract other metals? Our ancestors did a lot of attempts, they found that a magnet can not attract gold, silver, copper and other metals, but it also can not attract the items of the brick and the like.
from：http://www.htmagnets.com/newsd-nid-5.html
