On 16 Jan 2014, at 01:46, spudboy...@aol.com wrote:
Ok, speculatively jumping into the Tegmark book, which I am plodding
through and his 4 levels of the multiverse, I need to throw out this
question. Is it even possible, in principle, to physically traverse
into another universe, a parallel universe, and then back again? I
do not mran in the David Deutsch sense of performing cross cosmic
quantum calculations, but directly, mollecularly, boots on the
ground, traveling there and back again?
No we can't, unless the real QM appears to be non linear (but then
thermodynamic, SR, GR, etc. are all wrong). This has been shown by
Weinberg, and can be deduced by some work by Plaga (who mentioned it
on this list).
But with QM as it is, the parallel realities just interfere, but don't
interact.
With comp, that should seem even more obvious.
Bruno
-----Original Message-----
From: LizR <lizj...@gmail.com>
To: everything-list <everything-list@googlegroups.com>
Sent: Wed, Jan 15, 2014 7:33 pm
Subject: Re: Tegmark's New Book
On 16 January 2014 13:31, Edgar L. Owen <edgaro...@att.net>
wrote:
Stephen,
c is actually the speed of TIME as the STc equation makes clear. It
just so happens that light, having no velocity in time, always
travels at the speed of time in all observers' frames thorough
SPACE. All its spacetime velocity is only through space.
The "speed of time" ?! Wow. Maybe I can interest you in writing for
"Doctor Who".
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