Freedom Quote by Hermann von Helmholtz

Heat may be generated and destroyed by certain processes, and this shows that heat is not a substance.

— James Clerk Maxwell

The older view of the nature of heat was that it is a substance, very fine and imponderable indeed, but indestructible, and unchangeable in…

— Hermann von Helmholtz

Heat can also be produced by the impact of imperfectly elastic bodies as well as by friction. This is the case, for instance, when…

— Hermann von Helmholtz

Heat can never pass from a colder to a warmer body without some other change, connected therewith, occurring at the same time.

— Rudolf Clausius

If Thought is capable of beingclassed with Electricity, or Will with chemical affinity, asa mode of motion, it seems necessary to fall at once…

— Henry Brooks Adams

The effects of heat are subject to constant laws which cannot be discovered without the aid of mathematical analysis. The object of the theory…

— Joseph Fourier

Although mechanical energy is indestructible, there is a universal tendency to its dissipation, which produces throughout the system a gradual augmentation and diffusion of…

— Lord Kelvin

Heat is a universal solvent, melting out of things their power of resistance, and sucking away and removing their natural strength with its fiery…

— Marcus Vitruvius Pollio

Everything flows and nothing abides; everything gives way and nothing stays fixed... Cool things become warm, the warm grows cool; the moist dries, the…

— Heraclitus

The physiological combustion theory takes as its starting point the fundamental principle that the amount of heat that arises from the combustion of a…

— Robert Mayer

What appeared to the earlier physicists to be the constant quantity of heat is nothing more than the whole motive power of the motion…

— Hermann von Helmholtz

If Thought is capable of being classed with Electricity, or Will with chemical affinity, as a mode of motion, it seems necessary to fall…

— Henry Adams