Optical Rendering
聽 聽 The whole world is realistic due to real-time reflections and refractions!
Chemicals & Reactions
聽 聽 The whole periodic table of elements and their compounds are free to use (as exhaustive as possible), with all kinds of reactions and all kinds of effects:
聽 聽 Combustion, solution, precipitation...
Thermodynamics
聽 聽 Matters can change state according to temperature: ice, water, vapor...
聽 聽 Heat can transfer: different matters have different properties.