... books,58 the latter of which appeared posthumously. The practical impact of Faraday and Maxwell was enormous, although not immediate, and it was twofold: Telecommunication and energy trans-mission. ... température…Fig. 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, ... 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,...