| 31. | The physical constant known as the Rydberg constant is named after him, as is the Rydberg unit.
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| 32. | In some candidate theories, the actual number of independent physical constants may be as small as one.
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| 33. | It is known that anthropic explanations of the values of some of the dimensionless fundamental physical constants.
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| 34. | Its optical and physical constants are however variable, owing to the different stabilizers used by different producers.
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| 35. | Fine-tuning refers to the physical constants being just right for life as we know it to evolve.
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| 36. | Freeman Dyson later wrote that Shlyakhter had " revolutionized the subject " of variation in physical constants.
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| 37. | These values depend on the solvent used and the type of TLC plate and are not physical constants.
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| 38. | Different bubbles may experience different spontaneous symmetry breaking, which results in different properties, such as different physical constants.
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| 39. | The parameter " ? " 0 is a measurement-system constant, not a physical constant that can be measured.
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| 40. | Hence most physicists would not deem it a dimensionless physical constant of the sort discussed in this entry.
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