Mathematics is all around us. It can be seen in every aspect of our daily lives, from technology to art, engineering, finance, and even sports. This series explains mathematics, from its origins to its surprising modern uses. Even the math-averse will have their interest piqued.
Curated by: TED-Ed (63 videos)
View full lesson: http://ed.ted.com/lessons/the-infinite-life-of-pi-reynaldo-lopes The ratio of a circle's circumference to its diameter is always the same: 3.14159... and on and on (literally!) forever. This irrational number, pi, has an infinite number of digits, so we'll never figure out its exact value no matter how close we seem to get. Reynaldo Lopes explains pi's vast applications to the study of music, financial models, and even the density of the universe. Lesson by Reynaldo Lopes, animation by Igor Coric.