Beamed Core Antimatter Propulsion: Engine Design and Optimization · HackerPapers discussionshttps://hackerpaper.kaipfister.de/p/1205.2281/Collected HN comments and submissions linking this paper.enMon, 02 Nov 2026 11:16:22 GMTBeamed Core Antimatter Propulsion: Engine Design and Optimization — mentioned by mr_toadhttps://news.ycombinator.com/item?id=45846879urn:hackerpapers:mention:1205.2281:45846879Fri, 07 Nov 2025 14:40:35 GMT<p>There are theoretical designs using antimatter (pion rockets, or beam core engines) that could reach 0.4c - 0.7c, which puts Alpha Centauri at decades away, not millennia. https://arxiv.org/pdf/1205.2281 https://ntrs.nasa.gov/api/citations/20200001904/downloads/20...</p><p><a href="https://hackerpaper.kaipfister.de/p/1205.2281/">Paper and discussion history</a>. A mention is not an endorsement.</p>physics.gen-phBeamed Core Antimatter Propulsion: Engine Design and Optimization — mentioned by imglorphttps://news.ycombinator.com/item?id=17736202urn:hackerpapers:mention:1205.2281:17736202Fri, 10 Aug 2018 19:42:26 GMT<p>I was about to laugh at this commenter for watching too much Star Trek but decided to read a little. Turns out Robert Forward did some work on this and it&#x27;s not so bad. https://arxiv.org/abs/1205.2281</p><p><a href="https://hackerpaper.kaipfister.de/p/1205.2281/">Paper and discussion history</a>. A mention is not an endorsement.</p>physics.gen-ph