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- Newsgroups: rec.puzzles
- Path: sparky!uunet!haven.umd.edu!wam.umd.edu!difelici
- From: difelici@wam.umd.edu (John Patrick DiFelici)
- Subject: Re: Billion-year survivability
- Message-ID: <1992Nov20.145350.25311@wam.umd.edu>
- Keywords: pi, Louie
- Sender: usenet@wam.umd.edu (USENET News system)
- Nntp-Posting-Host: rac2.wam.umd.edu
- Organization: University of Maryland, College Park
- References: <BxIuMM.GuK@news.cso.uiuc.edu> <1992Nov18.183510.15059@wam.umd.edu> <1992Nov20.050058.11151@cs.cornell.edu>
- Date: Fri, 20 Nov 1992 14:53:50 GMT
- Lines: 16
-
-
- I think the acceleration would have to be greater than 1g if the person were
- to live through the round-trip. The exact accelleration required and the
- time of travel, would depend on the mass of the ship, and how much you
- wanted the person on the rocket ship to age. Obviously, there is a point at
- which for a very short trip (from the spaceman's frame) would require
- an acceleration that would kill him. It might even be the case that in a
- normal lifespan of a human the acceleration would be to great in order to get
- the desired time passage for the Earth. I haven't calculated it. I would
- have to go back trough one of my physics texts (or yes derive it) in order
- to find the formula for time dilation for an accelerating body.
-
- But this method is the only method I can think of that doesn't leave the
- message in someone elses (or mother-natures) care.
- Spuds
-
-