https://hackerpaper.kaipfister.de/p/1703.05573/Collected HN comments and submissions linking this paper.enMon, 02 Nov 2026 11:16:22 GMThttps://news.ycombinator.com/item?id=23362609urn:hackerpapers:mention:1703.05573:23362609Sat, 30 May 2020 17:02:33 GMT<p>That is an event as described when spacetime structure is defined as orientable, where as i&#x27;m trying to get at what would it be described as if spacetime was non-orientable, and it doesn&#x27;t seem like its just &quot;Never&quot;[0] I&#x27;ve seen something that seems similar like what some are talking about here described as[1]: &quot;If a spacetime is not time-orientable then a closed path exists round which the direction of time reverses. The simplest example of non-orientability is the Mobius strip. On the Mobius strip left-handed and right-handed cannot be consistently defined over the whole surface. A…</p><p><a href="https://hackerpaper.kaipfister.de/p/1703.05573/">Paper and discussion history</a>. A mention is not an endorsement.</p>physics.gen-ph