Magnetism Meaning: Definition, Examples, and Translations
๐งฒ
magnetism
[หmaษกnษชหtษชz(ษ)m ]
Definitions
attraction
The physical phenomenon produced by the motion of electric charge, resulting in attractive and repulsive forces between objects.
Synonyms
attraction, magnetic force, magnetic power.
Examples of usage
- The magnetism of the Earth causes a compass needle to point north.
- Magnetic fields are created by the flow of electric current.
Translations
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Interesting Facts
Science
- Magnetism is one aspect of electromagnetism, which combines electric and magnetic forces, fundamental to many technologies we use today.
- The Earth itself is a giant magnet, with a magnetic field that protects us from solar winds and cosmic rays.
- Every material has a magnetic property, but only materials like iron, nickel, and cobalt are considered ferromagnetic, meaning they are strongly attracted to magnets.
Pop Culture
- Magnetism has inspired various themes in movies, such as 'The Prestige', where a magician uses magnetic principles for illusions.
- Comics often portray characters with magnetic powers, like Marvelโs Magneto, who can manipulate metal and control magnetic fields.
History
- In the 12th century, magnetism was used in navigation through compasses, revolutionizing travel and exploration.
- The discovery of electromagnetism in the 19th century by scientists like James Clerk Maxwell laid the groundwork for modern physics.
Technology
- Magnetic resonance imaging (MRI) is a medical imaging technique that uses powerful magnets to create detailed images of organs and tissues.
- Data storage devices, like hard drives, utilize magnetic materials to store information in binary form, crucial for digital technology.
Origin of 'magnetism'
Main points about word origin
- The word derives from the Greek word 'magnetis lithos', meaning 'Magnesian stone', named after a region in ancient Greece where magnets were found.
- In ancient times, people believed that lodestone (a naturally magnetized piece of the mineral magnetite) possessed magical properties.
The term 'magnetism' originated from the ancient Greek word 'magnฤtis lรญthos', meaning 'Magnesian stone'. The phenomenon of magnetism has been known since ancient times, with lodestones (naturally magnetized pieces of the mineral magnetite) being used in navigation. The scientific study of magnetism began in the 19th century, leading to the development of electromagnetism and its applications in various technologies.