User:Draksis314
Appearance
http://wiki.riteme.site/wiki/User:Draksis314/Books/MagLev
https://wiki.riteme.site/wiki/User:Draksis314/Books/Circuits
http://www.rare-earth-magnets.com/t-history-of-magnets.aspx
https://wiki.riteme.site/wiki/User:Draksis314/Books/CompMach
http://iqa.evergreenps.org/science/phy_science/ma.html
http://hyperphysics.phy-astr.gsu.edu/hbase/mechanics/lever.html
http://hyperphysics.phy-astr.gsu.edu/hbase/mechanics/incline.html