On Thursday, October 3, 2019 at 8:30:00 AM UTC-5, Alan Grayson wrote:
>
>
>
> On Thursday, October 3, 2019 at 4:24:15 AM UTC-6, Philip Thrift wrote:
>>
>>
>>
>> Finding Sabine Hossenfelder there ...
>>
>> David Appell    10:49 PM, October 02, 2019
>>
>> Can't one of you please tell us dummies how creating an entirely new 
>> branched off world requires no new energy?
>>
>> None of the enlightened people here has stooped to answer this small but 
>> significant question. They don't even try. Please try. Assume we're stupid.
>>
>>
>>
>> Sabine Hossenfelder  12:30 AM, October 03, 2019
>> David,
>>
>> The reason that the "enlightened people" do not answer this question is 
>> that it has been answered thousands of times and you could easily answer 
>> your question by doing as much as asking Google. That you come here 
>> nevertheless to ask this question, one more time, demonstrates that you are 
>> not really interested in an answer but merely want to troll.
>>
>> Energy conservation is not violated because to correctly sum up the total 
>> energy, you have to weigh the energy in each branch with the probability of 
>> that branch. This works the way it always works in quantum mechanics. There 
>> is nothing new going on here, nothing controversial, and nothing 
>> interesting.
>>
>>
>>
>> http://backreaction.blogspot.com/2019/09/the-trouble-with-many-worlds.html?showComment=1569889923590#c1373154727748966620
>>
>> @philipthrift
>>
>
> Why would the energy of a branch be related to its probability of 
> occurrance? One can imagine a very low probability, so low that it can't 
> even contain copies of the experimenter. Totally ridiculous! AG  
>

Exactly. 

Given a world (in Sabine's MWI above) W where there is a computer C with a 
quantum random number generator, after C generates a string of 1000 0s and 
1s, the  energy of the computer 

   C-[one thousand (0|1)s]

in each  leaf world of the resulting branching tree will be 1/(2^1000)th of 
energy of C.

@philipthrift


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