The Many Worlds of Hugh Everett

Re:The Many Worlds of Hugh Everett by danbmil99 on Wednesday May 20, 2009 @01:56AM (#618162)

keep in mind, world lines merge too

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Re:The Many Worlds of Hugh Everett by lisper on Wednesday May 20, 2009 @02:51AM (#618215)

Really? How?

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Re:The Many Worlds of Hugh Everett by cousin_it on Wednesday May 20, 2009 @11:21AM (#618678)

http://en.wikipedia.org/wiki/Elitzur-Vaidman_bomb-tester

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Re:The Many Worlds of Hugh Everett by lisper on Wednesday May 20, 2009 @01:14PM (#618884)

Sorry, I don't see any world lines merging there. Can you elaborate?

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Re:The Many Worlds of Hugh Everett by cousin_it on Wednesday May 20, 2009 @07:37PM (#619532)

No. On sober thought I can't even understand what it would mean for world lines to merge. Sorry.

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Re:The Many Worlds of Hugh Everett by lisper on Wednesday May 20, 2009 @11:38PM (#619834)

No worries. It actually is possible in principle for world lines to merge because all quantum interactions are in principle reversible. But the odds are so small as to be effectively indistinguishable from zero.

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