Scientists observe ‘negative time’ for the first time in a quantum experiment

A photon enters a cloud of atoms and emerges on the other side. When physicists calculate how long the atoms remained excited ...

Single fission experiment maps excess gamma rays from more than a dozen unstable nuclei

In a single experiment, physicists have measured the "excess" emission of high-energy gamma rays from more than a dozen heavy ...
Popular Mechanics

Scientists Held an Extreme Atomic Experiment—and Challenged the Notions of What’s Possible

Scientists have observed “bending” atoms using a crystal grating—an experiment once believed impossible at the high energies required. The authors of a new, non-peer reviewed study detail how the a ...
Hosted on MSN

10 Atomic Clocks Connected Across 6 Countries In Most Ambitious Timekeeping Experiment Ever

EUROPE — Every clock in your house probably tells a slightly different time. Now picture those clocks as the most precise instruments humanity has ever built, so accurate that they wouldn’t lose or ...
IFLScience

Entangled Atomic Clock Experiment Could Finally Provide Hints At A Theory Of Everything

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...
The New York Times

His Group Made World-Class Measurements of Atomic Elements

Yuri Ralchenko led one of the oldest teams at the National Institute of Standards and Technology. The fate of some experiments hangs in the air. Lost Science Yuri Ralchenko led one of the oldest teams ...