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Comments (31)
- dgacmuThe actual journal article, since NYT didn't bother linking to it: https://www.nature.com/articles/s41586-026-11084-4
- austin-cheneyAccording to Wikipedia thorium is probably created from neutron stars or supernovae making it one of the rarest elements in the galaxy. But, it’s quite abundant on Earth, maybe 3x as abundant as Uranium on earths crust. Because of this abundance it is, along with Radon, the primary constituent of earths natural background radiation.
- jhohoMuch better use than for toothpaste.https://en.wikipedia.org/wiki/Doramad_Radioactive_Toothpaste
- KellyCriterion
- pclowesHow 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.
- soltanovStandard atomic clocks probe outer-shell electrons sensitive to stray EM noise; locking directly to the nucleus is how you actually kill environment drift.
- writtenonearchived no paywall: https://nonograph.com/in-vienna-and-beijing-the-first-nuclea...