View full lesson: http://ed.ted.com/lessons/pizzaphysi...

People love eating pizza, but every style of pie has a different consistency. If "New Yorkstyle" thin, flat, and large is your texture of choice, then you've probably eaten a slice that was as messy as it was delicious. Colm Kelleher outlines the scientific and mathematical properties that make folding a slice the long way the best alternative ... to wearing a bib.

Talk by Colm Kelleher, animation by Joel Trussell.