https://hackerpaper.kaipfister.de/p/1904.09084/Collected HN comments and submissions linking this paper.enMon, 02 Nov 2026 11:16:22 GMThttps://news.ycombinator.com/item?id=36038494urn:hackerpapers:mention:1904.09084:36038494Tue, 23 May 2023 00:44:47 GMT<p>I can&#x27;t say anything about promising. The hard part seems to be building an apparatus that works, and I don&#x27;t know how to do that. I hear of short-lived superpositions with increasing amus or daltons but I can&#x27;t deal with those units without the newest SI prefixes (fun facts, 666 Yamu is a bit more than 1 kg; and there is maybe about 0.666 YMsun locked up in observable galaxy clusters). HN user ISL &lt;https://news.ycombinator.com/user?id=ISL&gt; is probably au fait with recent quantum gravimetry experiments. The Müller group at UC Berkeley came to my mind. They did a recent paper…</p><p><a href="https://hackerpaper.kaipfister.de/p/1904.09084/">Paper and discussion history</a>. A mention is not an endorsement.</p>physics.atom-ph