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Archimedes: a feasibility study of an experiment to weigh the electromagnetic vacuum
Enrico Calloni, S. Caprara, Martina De Laurentis +14
Archimedes is a feasibility study of a future experiment to ascertain the interaction of vacuum fluctuations with gravity. The experiment should measure the force that the earth's…
The Archimedes experiment
Enrico Calloni, S. Caprara, Martina De Laurentis +14
Archimedes is an INFN-funded pathfinder experiment aimed at verifying the feasibility of measuring the interaction of vacuum fluctuations with gravity. The final experiment will me…
Michelangelo's Stone: an Argument against Platonism in Mathematics
Carlo Rovelli
If there is a "platonic world" M of mathematical facts, what does M contain precisely? I observe that if M is too large, it is uninteresting, because the value is in the selection,…
An argument against the realistic interpretation of the wave function
Carlo Rovelli
Testable predictions of quantum mechanics are invariant under time reversal. But the change of the quantum state in time is not so, neither in the collapse nor in the no-collapse i…
Is Time's Arrow Perspectival?
Carlo Rovelli
We observe entropy decrease towards the past. Does this imply that in the past the world was in a non-generic microstate? I point out an alternative. The subsystem to which we belo…
Response of microchannel plates to single particles and to electromagnetic showers
L. Brianza, F. Cavallari, D. Del Re +22
We report on the response of microchannel plates (MCPs) to single relativistic particles and to electromagnetic showers. Particle detection by means of secondary emission of electr…