© 2016 Mikkel Kristiansen.
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"M tic" by Taken by fir0002 | flagstaffotos.com.au Canon 20D + Canon 70-200mm f/2.8 L - Own work. Licensed under GFDL 1.2 via Wikimedia Commons.
"Magnet0873" by Newton Henry Black - Newton Henry Black, Harvey N. Davis (1913) Practical Physics, The MacMillan Co., USA, p. 242, fig. 200. Licensed under Public Domain via Wikimedia Commons.
"Harddisk". Licensed under Public Domain via Wikimedia Commons.
"Gazelle Speciaal -5" by http://www.flickr.com/photos/23672158@N04/ - http://www.flickr.com/photos/23672158@N04/3811813569/. Licensed under CC BY 2.0 via Wikimedia Commons.
"Magnetosphere rendition" by NASA - http://sec.gsfc.nasa.gov/popscise.jpg. Licensed under Public Domain via Wikimedia Commons.
"Baseplatecompass" by Photographer:User:Simon Shek - Own work. Licensed under CC BY-SA 2.0 via Wikimedia Commons.