China has just crossed a threshold that many nuclear engineers have talked about for decades but no country had previously achieved at scale: turning thorium into a practical, operating source of low ...

America’s energy system is colliding with hard limits, from aging grids to rising demand from data centers and electric vehicles, at the same time climate targets are tightening and fossil fuel ...

For decades, atomic clocks have been the pinnacle of precision timekeeping, enabling GPS navigation, cutting-edge physics research, and tests of fundamental theories. But researchers are now pushing ...

The time is nigh for nuclear clocks. In a first, scientists have used a tabletop laser to bump an atomic nucleus into a higher energy state. It’s a feat that sets scientists on a path toward creating ...

To be useful, clocks need to be consistent. Imagine two spies who synchronize their watches; they rely on them agreeing days or months later, even if one of them must take a frigid hike through arctic ...

Days after announcing the start of accelerated irradiation testing and qualification of its patented ANEEL thorium and high-assay low-enriched uranium fuel at Idaho National Laboratory, Clean Core ...