... momentum and energy assume the simplest form.Transverse and longitudinal masses The invariance of the Maxwell equations implies, of course, the invariance of the speed of light as a corollary, ... 3.5. Sadi Carnot. His reflections about the fall of heat14This misconception, and the false information, which Carnot had about the specific heat of gases, and the latent heat of water vapour, ... ijABare covariant components and ȘABcontravariant ones, as indicated by the customary position of the indices, we have for any arbitrary space-time transformation xƍ A = xƍ A (xB)ABBD A CABDBC A CDxxxxxxxxKKMMwcwwcw...