No birefringence in Einstein's gravity · HackerPapers discussionshttps://hackerpaper.kaipfister.de/p/astro-ph_9505100/Collected HN comments and submissions linking this paper.enMon, 02 Nov 2026 11:16:22 GMTNo birefringence in Einstein's gravity — mentioned by anonymfushttps://news.ycombinator.com/item?id=13091036urn:hackerpapers:mention:astro-ph_9505100:13091036Fri, 02 Dec 2016 18:32:17 GMT<p>Google brought me here: https://arxiv.org/abs/astro-ph/9505100</p><p><a href="https://hackerpaper.kaipfister.de/p/astro-ph_9505100/">Paper and discussion history</a>. A mention is not an endorsement.</p>astro-ph