Discovery-Understanding Electricity

Man has harnessed electrical power to light and fuel the world. Learn what electricity is, where it comes from, and how it works.

http://rapidshare.com/files/17226873/Discovery.Understanding.Electricity.DSR.XviD-EXT.part1.rar
http://rapidshare.com/files/17228910/Discovery.Understanding.Electricity.DSR.XviD-EXT.part2.rar
http://rapidshare.com/files/17231168/Discovery.Understanding.Electricity.DSR.XviD-EXT.part3.rar
http://rapidshare.com/files/17232147/Discovery.Understanding.Electricity.DSR.XviD-EXT.part4.rar

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