Henri Poincaré, Quanta hypothesis: Quanta of action

The new design is seductive by a certain side; for some time the tendency has been to atomism, matter appears to us as formed of indivisible atoms, and the electricity is no longer continuous, it is no longer divisible to … Read More

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Henri Poincaré, Quanta hypothesis: More on quanta of energy

Statistical equilibrium can only be established if there is exchange of energy between the resonators, otherwise each resonator would retain its initial energy, which is arbitrary, indefinitely, and the final distribution would obey no law. This exchange could not be … Read More

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Henri Poincaré, Quanta hypothesis: The law of radiation

Physicists did not at first concern themselves with these difficulties, but two new facts changed the face of things; the first is what is called the law of black radiation. A perfectly black body is one whose absorption coefficient is … Read More

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Henri Poincaré, Quanta hypothesis: Thermodynamics and probability

Let us go back to the kinetic theory of gases; the gases are formed of molecules which circulate in all directions with great velocities; their trajectories would be rectilinear if from time to time they did not collide each other, … Read More

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Chinese Fables and Folk Stories (Fables et histoires populaire chinoises)

Bilingual English/French Book (Livre bilingue anglais/français) By (par) Mary Hayes Davis, Chow-Leung. Translator (Traducteur): Nicolae Sfetcu It requires much study of the Oriental mind to catch even brief glimpses of the secret of its mysterious charm. An open mind and … Read More

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Henri Poincaré, The logic of infinity: An overview

The antinomies to which certain logicians have been led come from the fact that they could not avoid certain vicious circles. It happened to them when they considered finite collections, but it happened to them much more often when they … Read More

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Romania targets at least one important mandate of European Commissioner

Romania is interested in one of the mandates of European Commissioners for regional policy, energy, transport and the environment. “We have not finished the regional policy mandate, so we could once again ask for this very important portfolio. So, I … Read More

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