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Qmechanic
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Dale
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There is some evidence that plancksPlanck’s constant has changed by something like one part in a million since the early universe. And cosmological inflation theory talks about another constant changing, I think. Although even after reading about it I can’t tell which one(s).

  1. Can inflation theory be characterized as a fundamental constant(s) changing? If so which one(s) and how do they relate to expansion?

  2. Do constants have to change relative to each other for it to matter? At first I thought that doubling all the constants tomorrow would be undetectable, or even meaningless by construction. But then I thought since some equations are nonlinear, changing all the constants relative to the past would matter. Which of these is right?

There is some evidence that plancks constant has changed by something like one part in a million since the early universe. And cosmological inflation theory talks about another constant changing, I think. Although even after reading about it I can’t tell which one(s).

  1. Can inflation theory be characterized as a fundamental constant(s) changing? If so which one(s) and how do they relate to expansion?

  2. Do constants have to change relative to each other for it to matter? At first I thought that doubling all the constants tomorrow would be undetectable, or even meaningless by construction. But then I thought since some equations are nonlinear, changing all the constants relative to the past would matter. Which of these is right?

There is some evidence that Planck’s constant has changed by something like one part in a million since the early universe. And cosmological inflation theory talks about another constant changing, I think. Although even after reading about it I can’t tell which one(s).

  1. Can inflation theory be characterized as a fundamental constant(s) changing? If so which one(s) and how do they relate to expansion?

  2. Do constants have to change relative to each other for it to matter? At first I thought that doubling all the constants tomorrow would be undetectable, or even meaningless by construction. But then I thought since some equations are nonlinear, changing all the constants relative to the past would matter. Which of these is right?

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Al Brown
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If all fundamental constants changed proportionally would we know?

There is some evidence that plancks constant has changed by something like one part in a million since the early universe. And cosmological inflation theory talks about another constant changing, I think. Although even after reading about it I can’t tell which one(s).

  1. Can inflation theory be characterized as a fundamental constant(s) changing? If so which one(s) and how do they relate to expansion?

  2. Do constants have to change relative to each other for it to matter? At first I thought that doubling all the constants tomorrow would be undetectable, or even meaningless by construction. But then I thought since some equations are nonlinear, changing all the constants relative to the past would matter. Which of these is right?