Each concept here is mapped to its prerequisites — the ideas you'd need first to understand it — all the way down to four foundations: Space, Time, Energy, Pattern. Click any prerequisite to drill down, or scroll for the chain graph.
An ember is a glowing piece of coal or wood that retains heat energy from combustion, a self-sustaining, exothermic chemical reaction that involves the transfer of thermal energy, resulting in a change in the kinetic energy of particles.
External reference — all senses of the word “Ember” on Wiktionary. This atlas concept maps to only the slice of meaning relevant to the prerequisite graph.