On Sun, Mar 23, 2025 at 4:07 AM Alan Grayson <[email protected]> wrote:
*> What exactly is waving, space or spacetime,* > *Spacetime. So if you detect a variation in space caused by a gravitational wave** then you can use Einstein's equations to figure out what the variation in time must've been, and if you detect a variation in time you can figure out what the variation in space must be. **As Einstein's teacher Hermann Minkowski said*:* "Henceforth space by itself, and time by itself, are doomed to fade away into mere shadows, and only a kind of union of both will retain an independent reality".* *John K Clark See what's on my new list at Extropolis <https://groups.google.com/g/extropolis>*2 idr -- 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 visit https://groups.google.com/d/msgid/everything-list/CAJPayv2_Vvf%2Bmw8g01e3wz661iF9QLeL1Zs4V%2B5kNBe%2BFmAHhg%40mail.gmail.com.
