Carl R. (Rod) Nave

http://hyperphysics.phy-astr.gsu.edu/hbase/hframe.html

Indiacareer

http://www.indicareer.com/

Thomas Seilnacht

http://www.seilnacht.com/

Die Chemieseite

http://www.chemieseite.de/

Nasa Science

http://science.nasa.gov/science-news/science-at-nasa/2003/07feb_stronggravity/

 

http://www.ndt-ed.org/EducationResources/HighSchool/Electricity/hs_elec_index.htm

 

http://www.primaryschool.com.au/scienceresults.php?kla=science%20and%20technology&unit=switched%20on

 

http://phet.colorado.edu/en/simulations/category/physics/electricity-magnets-and-circuits

 

http://www.infoplease.com/

 

http://www.bbc.co.uk/schools/ks3bitesize/science/energy_electricity_forces/magnets_electric_effects/activity.shtml

 

http://www.youtube.com/watch?v=YM0NA5fFC3o

 

http://www.deutsches-museum.de/ausstellungen/energie/