Hot coffee doesn’t stay hot forever — it shares its heat with the surrounding air. At first, the coffee is hotter than the air, so heat flows outward. Over time, both reach the same temperature, and the net heat flow becomes zero. That’s thermal equilibrium.
AHA! Coffee cools, air warms — balance reached. Not by sight, but by INSIGHT!
#AHAPhysicsMoments #CikguLimCY #PhysicsInEverydayLife #100DaysOfPhysics #SeeWithPhysicsEyes #PhysicsWithInsight
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