Tuesday, October 26, 2010

wounderfull website i just passed by it simplify science and provide projects for better understanding

Charles Coulomb first described electric field strengths in the 1780's

fluorescent light bulb (not an incandescent bulb)

Why Do Leaves Change Color in the Fall?

http://artsites.ucsc.edu/EMS/music/tech_background/te-20/teces_20.html Microphone theory


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