The Arrows Of Time
The Arrows of Time is a hard science-fiction novel by Australian author Greg Egan and the third part of the Orthogonal trilogy. The novel was published by Gollancz on 21 November 2013 with a cover art by Greg Egan and by Night Shade Books on 5 August 2014 with a cover art by Cody Tilson. The novel describes the return journey of the generation ship Peerless, which has been launched in The Clockwork Rocket and traveled into the void in The Eternal Flame, and the reverse enabling the construction of a device to receive messages from the own future as well as the journey to a world where time runs in reverse. The universe of the novel is therefore based on a Riemannian instead of a Lorentzian manifold, changing the rules of physics. The details are described by Greg Egan on his website.
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75% recommend25% neutral
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What Hacker News says
- The Arrows of Time by Greg Egan (Orthogonal, Book 3) deals with something analogous to this: Our characters must break themselves out of a cycle which is impeding innovation. If you like your scifi hard, the Orthogonal series is a lot of fun.
- To add some more enticing detail, the series takes place in a universe where time really is just another dimension, and there's no minus sign in the distance metric (hopefully I'm using that term correctly). Consequently, Egan has to re-invent biology from scratch, among other things. It's a wild trip. My favorite if the series is The Arrows of Time.
- I recommend Greg Egan's Orthogonal trilogy: The Clockwork Rocket, The Eternal Flame and The Arrows of Time. It features a finite four-dimensional universe with no time-like dimension.
- I'm actually a bit miffed because I bought the first two books of the Orthogonal series from BaenEBooks [ http://www.baenebooks.com/s-164-greg-egan.aspx ], then discovered that due to problems with Night Shade Books, I couldn't get "The Arrows of Time" as an ebook too.
Unfortunately, other ebook vendors like Google Play are not selling a DRM-free version of that book.
