# Clocks made from an atomic nucleus just ticked on for the first time

> Source: <https://www.sciencenews.org/article/nuclear-clock-atomic-nucleus-first>
> Published: 2026-06-11 15:00:00+00:00

News Physics Clocks made from an atomic nucleus just ticked on for the first time Researchers already used one of the nuclear clocks to search for dark matter A crystal of calcium fluoride that is infused with thorium atoms (shown) is at the heart of a new nuclear clock. Luca Toscani De Col/TU Wien By Emily Conover June 11, 2026 at 11:00 am Share this:Share Share via email (Opens in new window) Email Share on Facebook (Opens in new window) Facebook Share on Reddit (Opens in new window) Reddit Share on X (Opens in new window) X Print (Opens in new window) Print Listen to this article This is a human-written story voiced by AI. Got feedback? Take our survey .