3 Ways Pi Can Explain Practically Everything

What’s irrational and never ends? Pi! Hank explains how we need pi to explain some of the most basic but most important principles of the universe, in honor of Pi Day.

Hosted by: Hank Green
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Sources:
Inverse square law: http://hyperphysics.phy-astr.g....su.edu/hbase/forces/

Gravitation: http://www.preposterousunivers....e.com/blog/2014/03/1