{"id":157952,"date":"2026-09-25T02:00:18","date_gmt":"2026-09-25T02:00:18","guid":{"rendered":"http:\/\/cryptospotters.net\/?p=157952"},"modified":"2026-09-25T02:00:18","modified_gmt":"2026-09-25T02:00:18","slug":"china-tested-a-handheld-submarine-detector-it-tracked-a-subway-train-underground","status":"publish","type":"post","link":"http:\/\/cryptospotters.net\/?p=157952","title":{"rendered":"China tested a handheld submarine detector. It tracked a subway train underground"},"content":{"rendered":"<p>Source: China &#8211; South China Morning PostChinese researchers have showed a handheld quantum magnetometer built for hunting submarines in a striking real-world test: it tracked a subway train rumbling beneath a city street.<br \/>\nThe device, developed by Peng Xinhua and colleagues at the University of Science and Technology of China, is described in a study published on September 14 in Acta Physica Sinica.<br \/>\nThough it is scarcely larger than a pencil and draws only 5 watts of power, it can isolate the magnetic disturbance caused by a moving&#8230;<a href=\"https:\/\/www.scmp.com\/news\/china\/science\/article\/3367965\/china-tested-handheld-submarine-detector-it-tracked-subway-train-underground?utm_source=rss_feed\" target=\"_blank\" class=\"feedzy-rss-link-icon\" rel=\"noopener\">Read More<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Source: China &#8211; South China Morning PostChinese researchers have showed a handheld quantum magnetometer built for hunting submarines in a striking real-world test: it tracked a subway train rumbling beneath&hellip; <\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[3],"tags":[],"_links":{"self":[{"href":"http:\/\/cryptospotters.net\/index.php?rest_route=\/wp\/v2\/posts\/157952"}],"collection":[{"href":"http:\/\/cryptospotters.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/cryptospotters.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"http:\/\/cryptospotters.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=157952"}],"version-history":[{"count":0,"href":"http:\/\/cryptospotters.net\/index.php?rest_route=\/wp\/v2\/posts\/157952\/revisions"}],"wp:attachment":[{"href":"http:\/\/cryptospotters.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=157952"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/cryptospotters.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=157952"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/cryptospotters.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=157952"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}