Desrtopa comments on Harry Potter and the Methods of Rationality discussion thread, part 8 - Less Wrong

8 Post author: Unnamed 25 August 2011 02:17AM

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Comment author: gwern 04 September 2011 02:48:25PM -1 points [-]

There's nothing about Harry Potter-style time travel that causes sickness or bouts of weakness, even short ones. This is evidence against Quirrel's central mystery being long-distance time-travel.

Travel often involves danger in Harry Potter; Floo ports can be unpleasant, likewise Port keys, and when apparating, one can 'splinch' oneself. Time travel with the heavily restricted Time turners is quite complex and hence possibly dangerous, as MoR has already shown. In the HP time-travel fic Eliezer recommended, each instance of multi-decade time travel damages the protagonist ever more, until during its settings, one more travel back will probably kill him upon arrival.

(And logic? In a fiction universe where we can trust nothing?)

There's nothing in Harry Potter-style time travel (either canon or MOR!verse) about not touching or interacting with past versions of yourself.

I must have missed this. Where is it written that you can touch your past self, mingle magics with your past self, cast spells in your past self, etc.?

Comment author: Desrtopa 04 September 2011 03:02:14PM 8 points [-]

Eliezer has said that Tom Riddle (aka Voldemort aka Professor Quirrel) taught himself occlumency in his third year by getting a time turner and leglimizing himself.

Comment author: gwern 04 September 2011 03:16:01PM 4 points [-]

Oh. Hm. That's a good point then.

Comment author: wedrifid 04 September 2011 03:56:03PM 1 point [-]

Cool! (Where did he say that?)

Comment author: Desrtopa 04 September 2011 09:41:34PM 4 points [-]
Comment author: wedrifid 05 September 2011 08:09:39AM 0 points [-]

Thankyou! My googling didn't turn anything up and I've reread all of MoR itself in the last couple of days (except the bits I didn't like) so I was failry sure it wasn't in the story itself.

I notice that I myself replied to Eliezer in that thread. Over the last five years or so I seem to have lost the ability I once had to remember nearly perfectly every conversation I participated in. Shame. :)