"God does not play dice." This famous remark by Albert Einstein critiqued the probabilistic nature of quantum mechanics.

On July 9, 2025, scientists at the International Earth Rotation and Reference Systems Service (IERS) reported that the Earth ...

It seems obvious, then, that, cosmically speaking, everything spins—but this basic fact becomes downright bizarre in the head ...

In fact, only three factors can be used to define a black hole: its mass, its angular momentum and its electric charge. In ...

Ample sunshine, ice cream, and afternoons at the beach might leave you wishing that summer would never end. Unfortunately, ...

On June 29, 2022, Earth's angular momentum was so low (and the atmosphere's angular momentum so high) that the planet saw an LOD of -1.59 milliseconds—the shortest day ever recorded.

I am referring to this point as "o". L is the angular momentum and ω is the angular velocity. The I is called the moment of inertia, but I prefer to call it "rotational mass".

(That is, you bring its mass closer to the point of rotation.) To compensate and keep angular momentum constant, the washer's angular velocity has to increase.

July 22 will not be a normal 24-hour day. Instead, Earth's rotation will be completed just shy of those 24 hours. Find out ...

The team found that the Coriolis coupling strength depends sensitively on the nuclear rotational angular momentum N, i.e., the Coriolis coupling strength is small for small N.