What makes honeycomb fluffy? Well, it’s the aeration of the hot sugar mixture beyond what was typically available through “pulling” (the same process used to soften and finish taffy based treats).
This aeration process is typically done with a raising agent, like baking soda. Baking soda when heated produces bubbles, and the resulting delicious light and fluffy texture is what we capture in our various honeycomb/hokey pokey recipes to help get just the right texture for your project.
For further information on this chemical reaction, check out the following resources: