Hank reaches the fourth and final of the four fundamental interactions in physics: electromagnetism. In this part, he teaches us about the electrostatic force, which builds up a charge in an object and can travel in the form of an electron stream.
Stay tuned for Part II, where we will finish up the series with the magnetic force.
Like SciShow on Facebook: http://www.facebook.com/scishow
Follow SciShow on Twitter: http://www.twitter.com/scishow
References:
http://abyss.uoregon.edu/~js/21st_century_science/lectures/lec04.html
http://www.explainthatstuff.com/electricity.html
http://regentsprep.org/Regents/physics/phys03/acoulomb/default.htm
