Discovery of a big void in Khufu's Pyramid by observation of cosmic-ray muons · HackerPapers discussionshttps://hackerpaper.kaipfister.de/p/1711.01576/Collected HN comments and submissions linking this paper.enMon, 02 Nov 2026 11:16:22 GMTDiscovery of a big void in Khufu's Pyramid by observation of cosmic-ray muons — mentioned by HPsquaredhttps://news.ycombinator.com/item?id=33358826urn:hackerpapers:mention:1711.01576:33358826Thu, 27 Oct 2022 15:16:45 GMT<p>Semi-related, the Great Pyramid was also scanned using muon radiography, by which a &quot;big void&quot; was discovered [0]. Muons can penetrate through a lot of material, so they can see through very large, thick things like the pyramids. Muon tomography was also used to scan the Fukushima reactors [1] and see where the fuel ended up. [0] https://arxiv.org/pdf/1711.01576.pdf [1] https://www.world-nuclear-news.org/RS-Muons-suggest-location...</p><p><a href="https://hackerpaper.kaipfister.de/p/1711.01576/">Paper and discussion history</a>. A mention is not an endorsement.</p>physics.ins-det