On Fri, Nov 18, 2022 at 4:51 PM Brent Meeker <[email protected]> wrote:
* > That's an energy density lower than the surrounding vacuum. The > conducting plates exclude longer wavelengths relative to their spacing. > This is not the same as negative energy in the vacuum.* > If you assume the surrounding vacuum has a zero energy density, which is an entirely reasonable assumption to make because that is a pretty good definition of a vacuum, and if the volume between the plates has a lower energy density than that, then I don't see how something can be less than zero without being negative. John K Clark See what's on my new list at Extropolis <https://groups.google.com/g/extropolis> 7fc pl6 > On 11/18/2022 3:38 AM, John Clark wrote: > > On Tue, Nov 15, 2022 at 3:00 PM Brent Meeker <[email protected]> > wrote: > > * > A stable wormhole requires threading by negative energy density. >> Since no such negative energy field is know and it's existence would >> imperil the stability of matter, its existence seems highly unlikely.* >> > > In the Casimir Effect (which has been experimentally confirmed) the narrow > space between 2 flat conducting plates has a negative energy density, and > that causes an attraction between the 2 plates because there is more energy > outside the plates pushing the plates together than there is between the > plates pushing the plates apart. > > -- 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/CAJPayv3Z7ec2_0W8noWbSDRJ62HJFAquCxkTu1oH2xEMUd2%2BHQ%40mail.gmail.com.
