GEPCS – Group of Spectroscopy of Plasmas and Supersonic Jets
Category : Books General News Science news
Prof. Mario Bunge, a well-known philosopher of Science died last February 25, 2020. Bunge was professor of Logic and Methaphysics at the McGill University and author of many books, including Philosophy of Science, but also a longtime fellow of the Committee for Skeptical Inquiry and has written several key articles on science and pseudoscience for Skeptical Inquirer.
Category : General News Science news
Last May 20, 2019 became effective the redefinition of the International System of Units (SI). In the new definition the kilogram (kg), kelvin (K) and mol are defined using numerical values of the Planck constant (h), the Boltzmann constant (kB) and the Avogadro constant (NA), respectively. A SI brochure is available from the Bureau International des Poids et Mesures. Farewell to the venerable kg prototype made of Pt/Ir.
In the picture above the new SI (graphic by Emilio Pisanti in wikipedia).
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