Understanding dough

Two pictures taken from http://www.kingarthurflour.com/blog/2011/07/13/baguettes-do-try-this-at-home/ :

Our first challenge is to make a movie of what happens in between

These pictures are taken before shaping the fermented dough

in the loaves.

Here is the dough flowing over the edge of the table (non-Newtonian liquid :) ):