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Author Topic:   The Universe Next Door... are we really part of a multiverse
AbelKane
Inactive Junior Member


Message 1 of 4 (97872)
04-05-2004 12:55 PM


Ive read several books on cosmology, string theory etc, etc, and the book that sticks in my mind the most is Marcus Chowns' "The Universe Next Door". It sticks in my mind firstly because its very easy to read yet still makes references to actual science and mathmatics. also because Marcus brings to light some very profound theories and scientific implications, such as, there is infinity versions of ourselves and because of this we are all, in a sense, imortal. This is based on mathmatics and science and seems to be very plausible and the principle is appararently actually used in quantum computers. Has anyone read this book or have any imput on the many worlds theory/principle (Max Tegmark).

  
Beercules
Inactive Member


Message 2 of 4 (97911)
04-05-2004 2:45 PM


If the various multiverse models cannot be tested, they are effectively useless as far as science is concerned. Interesting speculation, but little else.

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 Message 3 by coffee_addict, posted 04-06-2004 2:33 AM Beercules has not replied

  
coffee_addict
Member (Idle past 477 days)
Posts: 3645
From: Indianapolis, IN
Joined: 03-29-2004


Message 3 of 4 (98040)
04-06-2004 2:33 AM
Reply to: Message 2 by Beercules
04-05-2004 2:45 PM


quote:
If the various multiverse models cannot be tested, they are effectively useless as far as science is concerned. Interesting speculation, but little else.
Very true. Some have tried to use mathematics to define the multiverse model, but I haven't heard of any popular or successful one.

This message is a reply to:
 Message 2 by Beercules, posted 04-05-2004 2:45 PM Beercules has not replied

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 Message 4 by Primordial Egg, posted 04-06-2004 5:27 AM coffee_addict has not replied

  
Primordial Egg
Inactive Member


Message 4 of 4 (98051)
04-06-2004 5:27 AM
Reply to: Message 3 by coffee_addict
04-06-2004 2:33 AM


Testing for multiverses
The multiverse idea can be tested as I was previously arguing in this thread, by partaking in a game of quantum roulette, although you'd have to be either very brave or very stupid to try it.
There is also a method devised by David Deutsch involving quantum computation and a self-conscious computer which would give an experimental difference between Copenhagen and Many worlds interpretations. Unfortunately, I can't remember the exact details and I don't have the book in which I read it with me.
Having said that, there are no realistic ways of testing for the multiverse, so I agree with you that it is speculation, albeit interesting.
Personally, I don't see why the multiverse concept is any more ludicrous than the concept of an infinite Universe. Would an infinite universe be described as "an interesting speculation". Aren't a multiverse and an infinite universe almost identical in the possibilities they allow?
Here's a good debate on the topic:
Are parallel universes equally real? | WIRED
PE
[This message has been edited by Primordial Egg, 04-06-2004]

"Probably the toughest time in anyone's life is when you have to murder a loved one because they're the devil." - Emo Philips

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