# Re: aiming to complete Everett's derivation of the Born Rule

`On Mon, May 16, 2022 at 6:31 PM Bruce Kellett <bhkellet...@gmail.com> wrote:`
```
* >>> Energy is proportional to mass thru the speed of light. *
>>>
>>
>> >> Yep, E= Mc^2. and the speed is measured in meters per second and
>> light moves at 299,792,458 metres per second. But a meter is defined as the
>> distance light travels in the time it takes an atom of caesium-133 to
>> vibrate  9,192,631,770 times (which is the definition of a second),
>>
>
> *> Since the frequency of the hyperfine transition in caesium depends on
> the energy difference of two levels in the atom, when energy rescales, the
> frequency also rescales, and with it, the definitions of the second and of
> the meter. The trouble with this is that this amounts merely to a rescaling
> of the units, not a rescaling of time or distance in themselves.*
>

Time is what clocks measure, and clocks operate according to physical
principles, and so does your brain, so if physical principles change to
make the clock run a different speed your brain will run at a different
speed too and thus you'll notice no difference

* > A change of units does not change the physics; dimensionless constants,
> on which everything depends,*
>

There aren't a lot of dimensionless pure number fundamental physical
constants, probably the most important is the fine structure constant, it's
a pure number and determines, among other things, how fast the cesium atom
and all atoms vibrate,  that's how it got its name, it determines the fine
structure of the spectrum the light that atoms give off. The is
approximately value of the fine structure constant is 1/137, the exact
value is e^2/(4*π*eo*h*c) where e is the charge of an electron, eo is the
electric constant, h is Planck's Constant divided by 2π, and c is the speed
of light. So when you do an experiment to determine its value today after
the split you will get a pure number very close to 1/137,  the same number
you got yesterday before the split.

John K Clark    See what's on my new list at  Extropolis
lhw

34b

>

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