Filling the tub

Filling the tub

This page was filled with an increasing number of blue pixels every second.
1 after 1 sec, then 2, 4, 8, 16, and so forth, following the formular:

number of pixels filled =
2the seconds after start

Most of the time nothing happens.
But then it starts to go fast.

The climate change are said, by some, to accelerate like this.