Christianity Today

World’s Most Accurate Clock Still Imperfect

Years ago, the world's most complicated clock was displayed for the first time in the town hall in Copenhagen, Denmark. It took 40 years and a million dollars to build. The clock was accurate to ...
Yahoo

The world's first nuclear clock can detect changes in nature’s fundamental constants

Add Yahoo as a preferred source to see more of our stories on Google. The thorium crystal. The core element of the experiment: a crystal containing thorium atoms. (CREDIT: TU Wien) Scientists have ...
AOL

The world's first nuclear clock can detect changes in nature’s fundamental constants

Scientists have taken another giant step towards building the most precise clock ever imagined—one that could display not only the passage of time, but shifting rules of nature itself. An ...