{"id": "1t4jv6b", "title": "Forensic Mapping of the Antikythera: How 2006 CT scans revealed a 37-gear system that solved the \"Moon Problem\" in 150 BCE.", "subreddit": "Archaeology", "url": "https://www.reddit.com/r/Archaeology/comments/1t4jv6b/forensic_mapping_of_the_antikythera_how_2006_ct/", "score": 125, "comments": 10, "selftext": "While often treated as a \"mystery,\" the engineering of the Antikythera Mechanism is grounded in documented physics. In 2006, a 12-tonne custom CT scanner produced 3D mappings at 60-micrometre resolution, identifying a pin offset from a gear center used to drive a slotted gear. This modeled the Moon's acceleration at perigee (variable orbital speed) with extreme accuracy. I have been archiving the gear-ratio math and CT evidence from the original Cardiff University study for those interested in t", "created_utc": 1777997163.0}