On Tue, Nov 28, 2017 at 5:34 PM, <[email protected]> wrote:

​>> ​
>> All 3 assume the same physics.
>
>
> ​> ​
> ​For string theory, the multiverse universes could have radically
> different fundamental parameters; e.g., Coulomb's law with force a function
> of 1/ r^3, and/or no gravity, and/or whatever. In MWI, all alleged
> universes have the SAME laws,


No,
​
MMI alleges that everything that can happen does happen, in a universe with
4 spacial dimension Coulombs law would have a function of 1/ r^3
​, If string theory is right about such a universe not violating the laws
of logic then that universe can happen. and if that universe can happen
then
MWI
​says it does happen.
 And such a universe would exist in the Eternal Inflation
​multiverse​
 too.​

​>​
> I feel like I am arguing with a silly girl.
>

​A bit sexist don't you think?​



> ​> ​
> It was YOU who defacto alleged "no smudge", implying the electron has a
> spatial extent of ZERO.
>

No, implying the electron has a spatial extent
​ considerably smaller that the photographic plate, that's why I said it
would make a spot on the plate, ​I did not say it would make a point.



> ​> ​
> if the electron has zero width, it would have infinite density.
>

​True.​


> ​> ​
> Is this logical?
>

​Given the premise the conclusion is logical, if one quality, length, can
be infinitely small then another quality, density, can be infinitely large.
B
ut nobody knows if a physical length smaller than
1.6 x 10
​^-35 meters is logical, my hunch is that it is not but its only a hunch
and I could be wrong.


> ​>​
> Experiments have placed limits on its width
>

​All experiments can ​say is that the electron's radius is smaller that
10^16 meters, possibly much smaller, possibly infinitely smaller.


> ​>
>> ​>>​
>> ​
>> It can't do what you claim without violating the UP.
>>
>>
>> ​>> ​
>> ​Ah but you forget to take IHA into account.​
>>
>>
>
> ​> ​
> IHA?
>

​*I H*ATE *A*CRONYMS ​



> ​> ​
> Logically, its diameter must be non-zero. Otherwise its density would be
> infinite.
>

​Apparently you ​believe that infinite is another of those stories
mathematicians tell each other in the language of mathematics. Who knows
you may be right, infinity could be a story no closer to reality that a
Harry Potter story written in the language of English.


> ​>
>> ​>> ​
>> ​
>> Google "Steven Weinberg, Many Worlds "repellent". If you can't find it,
>> let me know. AG
>>
>>
>> ​>> ​
>> ​OK I'm officially letting you know, I just did exactly what you said
>> but I still can't find it, I still can find no evidence ​Weinberg thinks
>> the multiverse may have merit but not the MWI.
>>
>
> ​> ​
> I reasonably inferred that from his words. He thinks MWI "repellent",
> meaning "ugly", and is hugely skeptical of its claims.
>

 He said repellent and I can infer ugly
​,​
but where did
​
"hugely skeptical"
​
come from? And
​however strong Weinberg's emotional aversion to Many Worlds may be he
admits he doesn't have a better idea. Look, maybe all current quantum
interpretations are wrong and tomorrow somebody will find a better one, but
right now Many Worlds is the least bad.

 John K Clark

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