<p>For the consequences of such transmission to theoretical computer science (the only aspect of your question that is on-topic here) see Aaronson and Watrous's <a href="http://arxiv.org/abs/0808.2669" rel="nofollow">"Closed Timelike Curves Make Quantum and Classical Computing Equivalent"</a>.</p>

CC BY-SA 3.0
2014-10-28T03:09:06.940Z
2014-10-28T03:09:06.940Z
David Eppstein
<p>Could there be a logically consistent theory supporting the transmission of non-physical information to a point in time previous to the time it was sent using a computer network (quantum theory, etc)? I'm working on a sci-fi story and need some legit science to back up just such an occurrence - so there's no limit re: real world application.</p>

CC BY-SA 3.0
2014-10-28T20:05:35.540Z
Basically reposted [here](http://cstheory.stackexchange.com/questions/27243/the-arrow-of-time-in-a-network).
Phylliida
CC BY-SA 3.0
2014-11-03T17:19:42.260Z
What is non-physical information?
babou
<soft-question><quantum-information><physics><ni.networking-internet>
The Arrow of Time in a Non-Physical Realm
Manborg
# The Arrow of Time in a Non-Physical Realm

(Asked by: username_0 on 2014-10-28)

Could there be a logically consistent theory supporting the transmission of non-physical information to a point in time previous to the time it was sent using a computer network (quantum theory, etc)? I'm working on a sci-fi story and need some legit science to back up just such an occurrence - so there's no limit re: real world application.

**Tags:** soft-question, quantum-information, physics, ni.networking-internet

> **Comments:**
> **username_1**: Basically reposted [here](http://cstheory.stackexchange.com/questions/27243/the-arrow-of-time-in-a-network).  
> **username_2**: What is non-physical information?  

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## 1 answers

### Answer by username_3 on 2014-10-28. Score: 4 | Accepted answer

For the consequences of such transmission to theoretical computer science (the only aspect of your question that is on-topic here) see Aaronson and Watrous's ["Closed Timelike Curves Make Quantum and Classical Computing Equivalent"](http://arxiv.org/abs/0808.2669).


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