[FRIAM] Time travel article

[Steve Smith]

Jochen -

I know a lot of people who would like to "bobble up" until Nov 4 or
maybe Jan 21 or maybe after 2030... but Vinge's tale is very much a
cautionary one!

- Steve

> Here is the link to the preprint
> https://arxiv.org/abs/2001.02511
>
> Quantum theory is mentioned in the article only in the introduction,
> although the place where Quantum Theory and General Relativity meet is
> where it gets interesting :-/
>
> Time travel is an interesting topic. Time travel forward in time (as
> it is described for example in the novel "Marooned in Realtime" by
> Vernor Vinge) is far more likely than time travel back in time. 
>
> -J.
>
>
> -------- Original message --------
> From: cody dooderson <d00d3rs0n at gmail.com>
> Date: 9/26/20 22:52 (GMT+01:00)
> To: The Friday Morning Applied Complexity Coffee Group
> <friam at redfish.com>
> Subject: [FRIAM] Time travel article
>
> An article came out recently about a proof that time travel would not
> lead to the butterfly effect.
> https://www.popularmechanics.com/science/math/amp34146674/paradox-free-time-travel-is-possible/
> . This sounds great but does anybody understand it enough to explain
> it to a novice? Has this idea been around for a while, because
> Netflix's show The Umbrella Academy touches on it?
> The article says that the proof is backed up by research from Los
> Alamos and some experience with random walkers. I am pretty familiar
> with the latter. My experience is that some random walkers, a
> recursive path search, and patience can solve a lot of basic computer
> science problems. 
>
>
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