[HPforGrownups] Re: Free Will and Time travel

[Kathleen Kelly MacMillan]

No: HPFGUIDX 1337

>The _Superman_ comics actually took a slightly different approach
>than
>that - ANY attempt to alter history is foredoomed, as the universe
>itself will intervene in some way to keep you from making a real
>change; if you come from the future, 'history' is predestined.


Actually now that I think about it, Harry and Hermione weren't really changing 
the past, because everything happened the way it did while it was happening.  
(OKay, that didn't make any sense but if you think real hard I think you will 
get what I am saying.  Maybe. (:  )

>The reason for
>this is that at some point a time traveller will alter the past in
>such a way that the time machine is never invented, at which point
>there is no further push to change the past, so the universe reaches
>a
>path of stability and stays on that - because a change to allow a
>time
>machine to be invented can no longer be made, as there is no further
>possibility of a time traveller to make it!


Whoa.  You're blowing my mind here Brooks...


Kathy, wandering off to contemplate the mysteries of time travel