Why can't "cold flow from an area of coldness to hotness?
11783
I open the fridge - do I let the heat in or the cold out?
89863
2D Heat equation: inconsistent boundary and initial conditions
45501
Why does the negative sign arise in this thermodynamic relation?
119058
Strange phenomenon with Outer
101214
Heat rejected by a refrigerator?
137885
Why doesn't a star's core cool down when it expands as a red giant?
105668
Can Wall of Force transfer thermal energy?
52352
Fluid Simulation: Inflow is stretching to the edge of domain when baked
57098
Is perpetual motion impossible?
110854
Heat conduction problem with boundary at $\infty$
148959
Do the number of possible microstates increase as temperature decreases?
25359
Specific heat capacity at constant volume VS constant pressure
70821
Why does ice form on bridges even if the temperature is above freezing?
58724
Capillary action and conservation of energy
3223
Blandford-Znajek process: Why/how does the current flow along the magnetic field lines
59757
Is a world with constant/decreasing entropy theoretically impossible?
29727
Why is latent heat required?