On Sat, Feb 20, 2021 at 7:06 AM Lawrence Crowell < [email protected]> wrote:
*> Getting to Planck energy is of course a practical issue. This is not > necessarily an issue with fundamental physics. However, in the weak field > limit we have gravitational memory that is an abelian symmetry identified > with I^+, in addition to the Lorentz symmetry at i^+/. Then even in a weak > field limit, say the detection of gravitational waves from colliding black > holes, we have find a signature of this foaminess of spacetime at much > higher energy. * > But doesn't Einstein's field equation predict the existence of gravitational waves even if quantum mechanics and spacetime foam is completely ignored? John K Clark See what's on my new list at Extropolis <https://groups.google.com/g/extropolis> . -- 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/CAJPayv0QCJewpPy75uVM6LtcMp3COMXajisYUNrtkdvhRavs%3Dg%40mail.gmail.com.

