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Author: Grant Shepherd
Publisher: ACLS History E-Book Project
ISBN:
Category : Biography & Autobiography
Languages : en
Pages : 374
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Book Description
Author: Grant Shepherd
Publisher: ACLS History E-Book Project
ISBN:
Category : Biography & Autobiography
Languages : en
Pages : 374
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Book Description
Author: Grant SHEPHERD
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author: Grant Shepherd
Publisher:
ISBN:
Category : Batopilas (Mexico)
Languages : en
Pages : 302
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Book Description
Author: Grant Shepperd
Publisher:
ISBN:
Category :
Languages : es
Pages : 319
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Book Description
Author: Alanna Mitchell
Publisher: Penguin
ISBN: 1101985186
Category : Science
Languages : en
Pages : 342
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Book Description
The mystery of Earth's invisible, life-supporting power Alanna Mitchell's globe-trotting history of the science of electromagnetism and the Earth's magnetic field--right up to the latest indications that the North and South Poles may soon reverse, with apocalyptic results--will soon change the way you think about our planet. Award-winning journalist Alanna Mitchell's science storytelling introduce intriguing characters--from the thirteenth-century French investigations into magnetism and the Victorian-era discover that electricity and magnetism emerge from the same fundamental force to the latest research. No one has ever told so eloquently how the Earth itself came to be seen as a magnet, spinning in space with two poles, and that those poles have dramatically reversed many time, often coinciding with mass extinctions. The most recent reversal was 780,000 years ago. Mitchell explores indications that the Earth's magnetic force field is decaying faster than previously thought. When the poles switch, a process that takes many years, the Earth is unprotected from solar radiation storms that would, among other disturbances, wipe out much and possible all of our electromagnetic technology. Navigation for all kinds of animals is disrupted without a stable, magnetic North Pole. But can you imagine no satellites, no Internet, no smartphones--maybe no power grids at all? Alanna Mitchell offers a beautifully crafted narrative history of surprising ideas and science, illuminating invisible parts of our own planet that are constantly changing around us.
Author: William Gilbert
Publisher: Courier Corporation
ISBN: 0486163016
Category : Science
Languages : en
Pages : 440
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Book Description
From the first great experimental scientist: the classic text, first published in Latin in 1600. Summarizes then-current knowledge of magnetism and electricity, offering insights into the origins of modern science.
Author: William Gilbert
Publisher: Lulu.com
ISBN: 1326494465
Category : Science
Languages : en
Pages : 160
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Book Description
This 'On The Magnet' is a new improved English translation of the widely censored or banned Latin 1600 'De Magnete' by William Gilbert which was the first real science book to be published. This version is rather easier to read than its two earlier translations, and significantly helps to clarify Gilbert's 'attraction' physics which Newton put as one of two basic valid mathematized physics options and which he is believed to have privately favoured. It is basically a novel signal-response or remote-control physics that may still have real relevance today.
Author: Carl Lumholtz
Publisher:
ISBN:
Category : History
Languages : en
Pages : 244
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Book Description
The two classic historical texts on the Copper Canyon and the Tarahumara Indians.
Author:
Publisher:
ISBN:
Category : Electrical engineering
Languages : en
Pages : 888
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Book Description
Author: Wendy Pfeffer
Publisher:
ISBN: 9780382249310
Category : Collectors and collecting
Languages : en
Pages :
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Book Description
Marta's sister Rosa calls her magnet collection junk, but Marta's magnets help her make friends in her new home and help her retrieve a lost key for Rosa's new friend.
