0068名無しさん@1周年垢版 | 大砲2017/11/02(木) 21:24:30.59ID:LRhNSezC0 ドキドキドッピュンだな Discovery of a big void in Khufu’s Pyramid by observation of cosmic-ray muons : Nature : Nature Research https://www.nature.com/nature/journal/vaap/ncurrent/full/nature24647.html