<P> The second law has been expressed in many ways . Its first formulation is credited to the French scientist Sadi Carnot , who in 1824 showed that there is an upper limit to the efficiency of conversion of heat to work , in a heat engine . </P>
<P> The second law has been expressed in many ways . Its first formulation is credited to the French scientist Sadi Carnot , who in 1824 showed that there is an upper limit to the efficiency of conversion of heat to work , in a heat engine . </P>
when was the second law of thermodynamics discovered
when was the second law of thermodynamics discovered
1824
1824