On Wednesday, February 3, 2021 at 3:39:44 PM UTC-7 Brent wrote:

>
>
> On 2/3/2021 12:25 PM, Alan Grayson wrote:
>
>
>
> On Wednesday, February 3, 2021 at 10:55:13 AM UTC-7 [email protected] 
> wrote:
>
>> On Wed, Feb 3, 2021 at 10:05 AM Alan Grayson <[email protected]> wrote:
>>  
>>
>>> * > in GR universes evolve in time, but cannot instantaneously evolve 
>>> faster than the SoL.*
>>>
>>
>> In 1905 Einstein discovered Special Relativity and said nothing 
>> whatsoever could move faster than light, but by 1915 he had found 
>> General Relativity and had to amend that to some extent, he still insisted 
>> that matter or energy or information cannot move through space faster than 
>> light, but he placed no speed limit on how fast space itself can expand. 
>>  
>>
>> *> In the MWI, worlds come into existence fully formed as it were, that 
>>> is, replete with copies of observers. You want to have your cake and eat as 
>>> well; that is, appealing to GR, but inconsistently instantaneously creating 
>>> fully formed worlds, say like the one we live in. AG *
>>>
>>
>> MWI doesn't say if a new universe is created instantaneously 
>>
>
>
> *IMO, it surely does! Deutsch makes a right turn in his car, and 
> immediately another universe is created where a copy of Deutsch makes a 
> left turn (and numerous other turns!). I see no way around this violation 
> of GR. AG *
>
>
> You need to think of better examples.  Something like Deutsch making a 
> decision is with probability near 1.0 a purely classical event.  If it has 
> some quantum component in its causation it was probably weeks earlier and 
> in concert with thousands of classical effects.
>
> Brent
>

*It's just a thought experiment which makes the necessary point. Assume 
Deutsch can take alternate routes with the decision depending on whether he 
measures spin UP or DN. Would this work? AG *

>
>
> or if the new creation only comes into existence at the speed of light; it 
>> doesn't say because it does it need to, it works fine either way. MWI Is 
>> agnostic about that. 
>>  
>>
>>> *> If your claim that the net energy of the universe is zero is 
>>> associated with the universe as a whole, not for some part of it, then it 
>>> must be speculative. No calculation can be done to establish it.  Correct?*
>>
>>
>> Correct, that can only be established through observation and 
>> experimentation. However if General Relativity is correct and if empty 
>> space does contain residual vacuum energy (both those things can only be 
>> determined through observation and experimentation but the evidence is 
>> piling up that both are correct) then the net amount of energy in the 
>> universe is indeed zero.
>>
>> John K Clark 
>>>
>>>
>>> -- 
> You received this message because you are subscribed to the Google Groups 
> "Everything List" group.
> To unsubscribe from this group and stop receiving emails from it, send an 
> email to [email protected].
> To view this discussion on the web visit 
> https://groups.google.com/d/msgid/everything-list/8f21824c-c1d7-4dd2-98ca-c78da0969e80n%40googlegroups.com
>  
> <https://groups.google.com/d/msgid/everything-list/8f21824c-c1d7-4dd2-98ca-c78da0969e80n%40googlegroups.com?utm_medium=email&utm_source=footer>
> .
>
>
>

-- 
You received this message because you are subscribed to the Google Groups 
"Everything List" group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to [email protected].
To view this discussion on the web visit 
https://groups.google.com/d/msgid/everything-list/a54ec42e-24e9-4f11-89be-4f3d48ba6998n%40googlegroups.com.

Reply via email to