What we know about magnetism

History of electromagnetism Lodestonea natural magnetattracting iron nails.

What we know about magnetism

Discussion history Outline of the story told historically.

Explanation of magnetism

Basic ideas that even young children now know. Keep everything to an introductory level.

What we know about magnetism

Miletus is now on the western coast of Turkey in what was then a region of Greece known as Ionia source of the chemical term ion, but that's another story. A piece of magnetite with an exceptionally strong magnetic action is sometimes called a lodestone.

A nice quote from Thales would be nice here. Some minerals such as magnetite Fe3O4 are obviously magnetic. Chinese navigators knew that magnetic rocks align themselves north-south the south-pointing spoon.

The compass in real sense was created by a Chinese geomantic omen master in late Tang Dynasty, who originally used it for divination.

20 Things You Didn't Know About Magnetism | kaja-net.com

The north magnetic pole of a compass points in the general direction of the north geographic pole of the Earth. Since opposite magnetic poles attract, this means that the south magnetic pole of the Earth is somewhere near its north geographic pole. Next comes Peter Peregrinus as he is known in English a.

Peter wrote what is commonly known as the Epistole de Magnete or Letter on the Magnet. De Magnete was the text in which Gilbert revealed the results of his research on magnetism and attempted to explain the nature of magnets and the five motions associated with magnetic phenomena.

The work met with great acclaim and was republished in and Sad news today, as we wish a fond farewell to comics maven Stan Lee..

Magnetism – The Physics Hypertextbook

It’s not often you can say of a man that he literally created a whole world, but Stan Lee and Marvel Comics certainly did that. The trouble: Magnetism is one of those things that's just damn difficult to understand in terms of analogy / Maggie Koerth-Baker / am Mon Nov 8, Why Richard Feynman can't tell you.

Originally Answered: What "is" magnetism? Magnetism is a force, a component of one (EM) of four forces in nature. It is associated with electrical charge, analogous to (but not at all in the same fashion as) the way gravity is associated with mass. Animal magnetism, a presumed intangible or mysterious force that is said to influence human kaja-net.com term was used by the German physician Franz Anton Mesmer to explain the hypnotic procedure that he used in the treatment of patients. (See hypnosis.)Mesmer believed that it was an occult force or invisible fluid emanating from his body and that, more generally, the force permeated the. Leo Element: Fire. Leo is one of the three zodiac signs ruled under the fire kaja-net.com other two fire signs are Aries and kaja-net.com Leo is the second fire element in the zodiac, it turns the flame into a roaring fire with the intensity of its heat felt by all.

We know the Sun has a magnetic field several times stronger than Earth's, but the Moon has little or no magnetism. The other planets have magnetic fields too. Saturn, Jupiter, Neptune, and Uranus have fields stronger than Earth's, while Mars, Mercury, and Venus have weaker fields.

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We know that magnetism is just an aspect of electricity. It was sort of unified by Maxwell in ~, with the unification completed by Special Relativity in More recently electromagnetism has been unified with one nuclear force to give the electroweak force. Leo Element: Fire. Leo is one of the three zodiac signs ruled under the fire kaja-net.com other two fire signs are Aries and kaja-net.com Leo is the second fire element in the zodiac, it turns the flame into a roaring fire with the intensity of its heat felt by all.

Do we really know how magnetism works? | Naked Science Forum