THE translators of Prof. Ernst Cassirer's most important contributions to mathematico-Jogical theory have done well to issue his “Substanz-begriff und Fonktionsbegriff” and his “Zur Einstein-schen ...
Bose–Einstein condensates are a state of matter in which all the constituent particles exist in their lowest energy level. The Pauli Exclusion Principle prevents more than one electron (an example of ...
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