Be inquisitive - explore:

http://www.efunda.com/home.cfm

http://education.jlab.org/indexpages/index.html

http://www.youngeng.org/

http://www.glenbrook.k12.il.us/gbssci/phys/Class/energy/u5l1a.html

http://www.mos.org/sln/Leonardo/InventorsToolbox.html

http://www.climatechange.gov.au/renewabletarget/index.html

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