clipka <nomail@nomail> wrote:
> >   Aren't you confusing gravity with acceleration?

> Aren't you forgetting that Einstein postulated that you can't tell the
> difference of the one from the other? ;)

  Just because you can't tell appart gravity from acceleration doesn't
mean that all accelerations are caused by the same phenomenon as gravity.

> After all, that's the *basic foundation* of GR...

  The foundation of GR is that gravity does not, in fact, cause
acceleration at all. An object in "free wall" is all about inertia
and nothing about acceleration (even though it may not look like it
to us).

  Just because gravity doesn't cause acceleration doesn't mean that
*nothing* can cause (true) acceleration.

-- 
                                                          - Warp

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