In systems where energy, mass, and motion interact — like heat engines or biological metabolism — the NKT Law provides a new way to view entropy flow through mass-momentum coupling.

Future exploration:
The term dmdt⋅p\frac{dm}{dt} \cdot pdtdm​⋅p may be used to quantify entropy production rates, especially in systems with both material and energetic exchange, extending the second law of thermodynamics into dynamic, open systems.