Comment Comment by pclowes How do they know the accuracy of the clock? Eg: 2s of drift in 65M years.Naively, measuring that seems more difficult than the clock. Wouldn’t you need a perfect clock as a baseline? There must be something really clever here. parent pclowes 23 days ago
Naively, measuring that seems more difficult than the clock. Wouldn’t you need a perfect clock as a baseline? There must be something really clever here.