Discovery Of Magnets Essay

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The Discovery of Magnets

by Santiago Webb We use magnets every day without knowing it; it might be fridge magnets, cabinet latches, speakers and other electronic devices. Magnets are used in many different fields such as in medicine, education, science, and just for fun. For example in medicine, magnetic resonance imaging (MRI) uses very strong magnets and radio waves to show doctors inside the human body. In science, magnets can help store information on computers; they are also used in compasses, televisions, stereos, speakers, and earphones. We also can experiment with them for fun, such as using one magnet to levitate on top of another magnet.
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A unit of magnetism, Gb, is named after him. He also discovered that heating magnets caused them to lose their magnetism. Everything in the universe is made of atoms and atoms have magnetic pull inside and outside them. The Earth has its own giant magnetic field, so a magnet’s north pole will always point towards the Earth’s Magnetic north pole. A compass also is a magnet and will point to the earth's north pole. Magnets always point towards the North pole. The Earth has a magnetic field that can interact with other magnets. The North end of a compass magnet is drawn to align with the Earth's magnetic field. Because the Earth's magnetic North Pole attracts the "north" ends of other magnets, it is technically the "South Pole" of our planet's magnetic field. The most powerful magnet in the universe is actually a star called a magnetar. These are stars that have died off and had a supernova explosion. The magnetars are what is left over, and they are strong enough to destroy small planets if they get close enough. There are three main types of magnets: temporary, permanent, and electromagnets. Temporary magnets are made up of iron and iron alloys that can be easily magnetized by even a …show more content…
The Chinese invented the mariners compass in the 12th century. Scientists over the last six hundred years have experimented with magnets in clocks, radios, computers, medicine, robots and space exploration. Magnets have had an impact on me because I love how they can attract random stuff such as paperclips, staples, and other iron objects. I also love magnets because so many cool gadgets and inventions are made for them. I hope we can take magnetics to another level and transform the world.

Bibliography

Balaban, Naomi E., and James E. Bobick. The Handy Science Answer Book. Visible Ink Press, 2011.
“How Magnets Work - History of Magnets.” History of Magnets | How Magnets Work, www.howmagnetswork.com/history.html.
“Types of Magnets.” Types of Magnets Science Lesson, www.homesciencetools.com/a/magnet-types-science-teaching-tip.
Walker, Sally M. Investigating Magnetism. Lerner Publications Co.,

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