... Each is linked to 3-6 detailed files, telling a more complete story, and those in turn may have other links, including history sections which tell about the related history. ... Each is linked to either the next item in sequence, or else to the related historical overview. ... You can also link here to a self-contained overview of the early history of magnetism...note that links to all files are given in their proper order on the home page, linked here and also at the end of any "Exploration" file. ...