On Friday, May 8, 2020 at 5:33:53 AM UTC-6, Bruce wrote: > > On Fri, May 8, 2020 at 9:02 PM Alan Grayson <[email protected] > <javascript:>> 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 >
We have no clue how the universe began, or even IF it began; and we have zero understanding of dark energy, other than it probably exists and gravitationally interacts with ordinary matter. Where's the rigor? AG -- 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/d4d24ff0-aa11-4a19-a2a5-00052afa0491%40googlegroups.com.
