Changes between Version 11 and Version 12 of ControlSystems/Electrical/Training/Arduino/Lesson6


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Timestamp:
Nov 3, 2019, 4:00:41 PM (6 years ago)
Author:
David Albert
Comment:

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  • ControlSystems/Electrical/Training/Arduino/Lesson6

    v11 v12  
    55== Magnetism ==
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    7 [[Image(http://heroicuniverse.com/wp-content/uploads/2015/05/x-men-days-of-future-past-michael-fassbender-magneto-post-hugh-jackman-x-men-who-should-be-the-new-face-of-the-x-men-movies.jpg, align=right, width=200)]]
     7[[Image(magneto.jpg, align=right, width=200, margin=10)]]
    88Magnetism was discovered by the ancient Greeks (and also by the vikings, Chinese, etc.) who noted that lodestone (magnetite), a naturally occurring iron ore was attracted to iron.  They also discovered that a block of lodestone suspended from a string would point to magnetic North and the compass was born.
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