Boltzmann constant: Quick Facts

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energy physical constant gravitational constant dielectric constant Planck’s constant atomic mass unit Bohr magneton universal gas constant Rydberg constant decay constant Solar constant speed of light

Italian-born physicist Dr. Enrico Fermi draws a diagram at a blackboard with mathematical equations. circa 1950.

Physics and Natural Law

Italian physicist Guglielmo Marconi at work in the wireless room of his yacht Electra, c. 1920.

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