1879 - Jožef Stefan observes that the total radiant flux from a blackbody is proportional to the fourth power of its temperature and states the Stefan-Boltzmann law
1884 - Ludwig Boltzmann derives the Stefan-Boltzmann blackbody radiant flux law from thermodynamic considerations
1888 - Henri-Louis Le Chatelier[?] states that the response of a chemical system perturbed from equilbrium will be to counteract the perturbation
1893 - Wilhelm Wien discovers the displacement law for a blackbody's maximum specific intensity
... Nursitani languages, spoken in roughly what has become Afghanistan, are grouped with Vedic and Avestan.
The oldest form of Sanskrit is Vedic, in which the Vedas, th ...