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One of the earliest known references to lodestone's magnetic properties was made by 6th century BC Greek philosopher Thales of Miletus, [12] whom the ancient Greeks credited with discovering lodestone's attraction to iron and other lodestones. [13] The name magnet may come from lodestones found in Magnesia, Anatolia. [14]
Titles represented in this list, are taken from the cover and the citation represents the title listed in the table of contents. b. ^ Images could also be a painting, drawing or a computer rendering. c. ^ There were four versions of this issue of the magazine, each from a different photographer. d. ^ Multiple articles with various authors ...
Kaolinite is a soft, earthy, usually white, mineral (dioctahedral phyllosilicate clay), produced by the chemical weathering of aluminium silicate minerals like feldspar. It has a low shrink–swell capacity and a low cation-exchange capacity (1–15 meq/100 g).
[7] [8] With the exception of extremely rare native iron deposits, it is the most magnetic of all the naturally occurring minerals on Earth. [ 7 ] [ 9 ] Naturally magnetized pieces of magnetite, called lodestone , will attract small pieces of iron, which is how ancient peoples first discovered the property of magnetism.
National Geographic logo. National Geographic is an American magazine that is noted for its cover stories and accompanying photography. [1] [2] [3] Throughout the 1980s National Geographic's cover stories showcased historical events such as the 1980 eruption of Mount St. Helens [4] and the effects of the weather phenomenon known as El Niño. [5]
Best Essential Vitamin Supplement for Women: Ritual Essential for Women Multivitamin 18+ Ritual The supplement comes in delayed-release capsules that dissolve in the small intestine, which is an ...
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