[ExI] Many Worlds (was: A Simulation Argument)

[Lee Corbin]

Serafino writes

> If the split inside the (sealed, shielded) box
> causes the entire universe outside the box to split accordingly,
> it means that the split propagates through the sealed,
> shielded box (and this would be strange).
> Maybe this is the reason why the faq says that
> the onlooker is split into two copies only when
> the box is opened.

There is no shielding against gravitational "forces" (e.g.
the curvature of space). So I fall back on the idea that
if a change in the box is too feeble to cause one kT
of change outside, then the universe ought to be looked
at as remaining unsplit outside.

Lee