Re: Quantum Time Travel

From: Russell Standish <>
Date: Tue, 22 Feb 2000 12:33:30 +1100 (EST)

For once I agree with Jacques. I doubt QS would ever be a means of
implementing time travel. The most likely scenario at this point is
exploiting the strange space-times around superdense objects, such as
Tipler's cylinder. Obviously that technology is way beyond us now, if
not outrightly possible.


> On Sat, 19 Feb 2000 wrote:
> > Build a conditional suicide machine that instantly kills the user unless a
> > particular set of conditions in the environment is satisfied. With
> > "conventional" quantum suicide these conditions could be a winning lottery
> > ticket for example. With time travel suicide, these conditions would be that
> > prespecified factors in the environment should match the past to which we
> > would like to travel to.
> This shit's sounding sillier by the second.
> I'll note, once again, that "quantum suicide" does not *move* you
> to the surviving branches. Those branches would have existed anyway. All
> it does is kill off what would have been perfectly acceptable copies of
> you.
> Suppose there are two guys, one happy and one medium. All QS is
> is killing off the medium guy so everyone (surviving) can be happy.
> As for regular time travel, I doubt it's possible. Certainly, if
> a wormhole could exist, it would be submicroscopic. I'll have to wait for
> quantum gravity to know for sure, but I doubt even that's possible.
> - - - - - - -
> Jacques Mallah (
> Physicist / Many Worlder / Devil's Advocate
> "I know what no one else knows" - 'Runaway Train', Soul Asylum
> My URL:

Dr. Russell Standish Director
High Performance Computing Support Unit,
University of NSW Phone 9385 6967
Sydney 2052 Fax 9385 6965
Room 2075, Red Centre
Received on Mon Feb 21 2000 - 17:42:14 PST

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