Hank continues our series on the four fundamental forces of physics by describing the weak interaction, which operates at an infinitesimally small scale to cause particle decay.
Watch the video on Strong Interaction: http://www.youtube.com/watch?v=Yv3EMq2Dgq8
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References:
http://hyperphysics.phy-astr.gsu.edu/hbase/forces/funfor.html#c4
http://hyperphysics.phy-astr.gsu.edu/hbase/forces/funfor.html#c5