NOW LIVE! Today's the day you meet your new best friend. You don’t have to leave Wolfy behind... In 'Pets & Sidekicks' your companions level up with you!

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Message: <blockquote data-quote="Umbran" data-source="post: 8119086" data-attributes="member: 177">No.  I guess... how much do you know about quantum mechanics?Schrodinger's equation gives you what we call a quantum wavefunction.  From it, we can determine the probability that we will find a quantum system in a particular state.  There are states that are strictly impossible (though, there are fewer of those than you might think), and there is zero possibility of finding the system in that state.  Other states have varying degrees of possibility.When we actually take a measurement of the system, we find it in only one state.  The transition - from many possible states to one actual state - bothered many in the early days of quantum mechanics.  The idea that there was something not strictly determined by physical laws left them... uncomfortable.  The MWI is an answer to that.  Strictly speaking, in the MWI, there is no transition.  There is no collapse from probability to reality - there's just many realities.Thus, all possible things happen.  Things that are strictly impossible still don't happen.  The point is that, if what we expect time travel (going back in your own timeline) is strictly prohibited by physics, jumping to a different member of the MWI ensemble of universes may still be possible.  And the "time" of you landing there would seem to be arbitrary.I have been in the presence of Vegemite.  You may consider it as real as you consider me, for whatever that might be worth.</blockquote>

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