>>13395637Reversible vs irreversible processes. When you heat the egg you denature and coagulate the proteins. After that energy has been invested to change the state of the system, that becomes its ground state, it's a new energetic "sink". It won't drift back to its prior state. Water on the other hand has no such inner change, so it's like Sisyphus pushing the rock up the hill. If you're in the right environment it'll gradually drag all the water back to an equilibrium state of liquid.
