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A. File:Aa mag cover.jpg; File:Adirondack Life cover.jpg; File:Alaska magaine February 2009.jpg; File:Alive magazine feb08.jpg; File:Allure magazine 30th anniversary ...
The Earth's magnetic field at 0.5 gauss is too weak to magnetize a lodestone by itself. [9] [10] The leading theory is that lodestones are magnetized by the strong magnetic fields surrounding lightning bolts. [9] [10] [11] This is supported by the observation that they are mostly found near the surface of the Earth, rather than buried at great ...
[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.
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 ...
The First Lady of the United States has graced many covers throughout her eight years in the White House. ... Take a look back at her most fashionable, fun, sexy and fabulous magazine covers: Show ...
The honor of someone's first Vogue moment or Time's Most Influential undoubtedly serves lots of controversies. 2018 has been responsible for some of the best celebrity magazine covers on stands.
Natural remanent magnetization is the permanent magnetism of a rock or sediment.This preserves a record of the Earth's magnetic field at the time the mineral was laid down as sediment or crystallized in magma and also the tectonic movement of the rock over millions of years from its original position.
National Geographic logo National Geographic magazines from 2015. National Geographic is an American magazine noted for its cover stories and accompanying photography. [1] [2] [3] This is a list of National Geographic cover stories including writers and photographers [4] starting in July 1959, when the magazine started featuring photos on the front cover.