View full lesson: http://ed.ted.com/lessons/how-does-math-guide-our-ships-at-sea-george-christoph

Without math, would our seafaring ancestors ever have seen the world? Great mathematical thinkers and their revolutionary discoveries have an incredible story. Explore the beginnings of logarithms through the history of navigation, adventure and new worlds.

Lesson by George Christoph, animation by the Hobizals.