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A permanent magnet is an object made from a material that is magnetized and creates its own persistent magnetic field. An everyday example is a refrigerator magnet used to hold notes on a refrigerator door. Materials that can be magnetized, which are also the ones that are strongly attracted to a magnet, are called ferromagnetic (or ferrimagnetic).
The most powerful man-made magnetic fields [28] have been created by using explosives to compress the magnetic field inside an electromagnet as it is pulsed; these are called explosively pumped flux compression generators. The implosion compresses the magnetic field to values of around 1,000 T [24] for a few microseconds.
Ferrofluid on glass, with a rare-earth magnet underneath. A rare-earth magnet is a strong permanent magnet made from alloys of rare-earth elements.Developed in the 1970s and 1980s, rare-earth magnets are the strongest type of permanent magnets made, producing significantly stronger magnetic fields than other types such as ferrite or alnico magnets.
Magnetism is the class of physical attributes that occur through a magnetic field, which allows objects to attract or repel each other.Because both electric currents and magnetic moments of elementary particles give rise to a magnetic field, magnetism is one of two aspects of electromagnetism.
A neodymium magnet (also known as NdFeB, NIB or Neo magnet) is a permanent magnet made from an alloy of neodymium, iron, and boron to form the Nd 2 Fe 14 B tetragonal crystalline structure. [1] They are the most widely used type of rare-earth magnet .
To reduce such accidents, a company called Ornilux created bird-safe glass. They imitated the strands of a spider web, which are visible to birds, unlike the case with transparent glass. The bird ...
A man with a hammer stuck to his skin. Human magnetism is a popular name for the supposed ability of some humans to attract various objects to their skin.People alleged to have such an ability are often called human magnets.
A citizen who was magnet fishing in the creek on April 14 discovered a .22-caliber rifl Someone fishing with a magnet dredged up new evidence in Georgia couple's killing, officials say Skip to ...
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