:D Magnets are made from magnetite which is natural magnet, there is two type of magnets one is permanent magnet that can only be demagnetized by heating, the other is temporal magnet which will demagnetise itself in time. Magnetite is the permanent one. This is the strongest Artificial magnet : En.wikipedia.org
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Warning: May contain pieces of gravity.
Was this a line from the fact sphere?
:D Magnets are made from magnetite which is natural magnet, there is two type of magnets one is permanent magnet that can only be demagnetized by heating, the other is temporal magnet which will demagnetise itself in time. Magnetite is the permanent one. This is the strongest Artificial magnet : En.wikipedia.org