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Abstract The first lesson began with a reminder of the difference between universal constants, such as the quantum of action (Planck's constant) and the quantum of charge, and microscopic constants, such as the mass of the electron and proton. We also …

Abstract Because of their large number of atoms, macroscopic systems can easily be assembled from independent parts, like clocks and their cogs. Quantum systems, on the other hand, have properties that make them naturally regular and resistant to noise, …