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Black holes are about quantum information (Novel uses of information in black hole physics)

Bekenstein’s (1972, 1973) appeal to information-theoretic ideas in arguing that black hole entropy is genuine thermodynamic entropy has been widely debated.

Wheeler’s Abomination (1956-2026): Unifying the Copenhagen and Everett Interpretations

Seventy years ago, John Wheeler’s student Hugh Everett wrote a dissertation proposing his theory of the universal wave function, a novel interpretation of quantum mechanics that would eventually evolve into today’s many worlds interpretation.

PTB's Planck balance -- Big mass metrology for the little ones

In 2019, the International System of Units (SI) was redefined. For many, this went by without a hitch -- and that's how it should be.

März 2026
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