Where do the air bubbles on the bottom come from when you boil water?

Question

Where do the air bubbles on the bottom come from when you boil water?

In: 42

Answer 1

Nucleation points. Nodes where what everyone else is describing is possible to form. The surface texture and shape of the container is what’s causing it. Pour (the same) beer (or Sprite) in a few different style glasses and see what happens.