How is it possible for the ISS to stay in orbit? Learn more about the science behind orbiting Earth and more in this NASA ...

When a star is born, it doesn’t emerge in isolation. Instead, it forms inside a large, chaotic cloud of gas and dust. Around it, a flat disk of spinning material takes shape. This protoplanetary disk ...

More information: Amit Kam et al, Near-field photon entanglement in total angular momentum, Nature (2025). DOI: 10.1038/s41586-025-08761-1 Journal information: Nature ...

This course introduces the quantum mechanical concept of angular momentum operator and its relationship with rotation operator. It then presents the angular momentum operators, their eigenvalues and ...

Scientists have created the world’s first ‘black hole bomb’ and it could help experts better understand the space phenomenon.

Caption (a) The effect of permittivity and material rotation angle on the reflection coefficient. (b-c) Asymmetric transmission of vortex waves (positive and negative topological charges) with ...

Swinging arms while walking stabilizes torso, conserves energy, and enhances efficiency by utilizing angular momentum principle.

The multiplexing/demultiplexing module fabricated (a,d) employs a property of light called the "optical vortex" to transmit/receive multiple signals simultaneously ...