What holds our world together?
Electric Charges (Historical)
Polarization
Electric Force
Coulomb's Law
View the complete course at: http://ocw.mit.edu/8-02S02
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An algae photobioreactor on the roof of MIT university.
The clear polycarbonate tubes are approx 3 meters high, and 10-20 centimeters in diameter.
It removes upto 86%...