What is fire?

The video explores the nature of fire, explaining why gas flames are blue and wood fires are orange. It delves into the physics of light emission from flames, discussing clean and impure flames, and the role of quantum mechanics. The concept of Black Body Radiation is introduced to explain why hot objects glow, and the effect of gravity on flame shape is discussed, highlighting how flames behave differently in zero gravity.

What new insight or understanding did you gain from this video?