On Fri, May 8, 2020 at 9:02 PM Alan Grayson <[email protected]> wrote:

> On Friday, May 8, 2020 at 4:24:36 AM UTC-6, Bruce wrote:
>>
>> On Fri, May 8, 2020 at 7:11 PM Alan Grayson <[email protected]> wrote:
>>
>>> On Friday, May 8, 2020 at 2:56:50 AM UTC-6, Bruce wrote:
>>>>
>>>> On Fri, May 8, 2020 at 6:00 PM Alan Grayson <[email protected]>
>>>> wrote:
>>>>
>>>>> If it's not conserved, as seems implied by the red shift due to
>>>>> expansion, where does it go? TIA, AG
>>>>>
>>>>
>>>> Silly question. If it is not conserved, it does't have to go anywhere
>>>> -- it just vanishes.
>>>>
>>>> Bruce
>>>>
>>>
>>> When an expanding gas cools, doesn't the energy go into work done to
>>> cause the expansion? Is it your opinion then, that something cannot come
>>> from nothing, but something can become nothing? AG
>>>
>>
>>
>> That's what non-conservation means -- something can come from nothing and
>> go to nothing.
>>
>> Bruce
>>
>
> If you believe in what's called "evidence", and extrapolating from it to
> create a hypothetical physical theory, can you give a single example of
> something coming from nothing? AG
>

Two examples. The universe; Dark energy.

Bruce

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