The simplest class of light field that can carry orbital angular momentum (OAM) is an optical vortex. An optical vortex is a beam of light whose phase varies in a corkscrew-like manner along the ...

Welcome to the Department of Physics and Astronomy at the University of Delaware, where the pursuit of scientific discovery and innovation meets cutting-edge research and academic excellence. Our ...

How cold is space? Does it ever drop to absolute zero, and what happens if you fall into it without a spacesuit? When you purchase through links on our site, we may earn an affiliate commission.

The seven chakras are thought of as the main energy points in your body, which run down the spine. Blocked chakras may have physical symptoms like bowel issues or emotional ones like insecurity. Share ...

Fluid dynamics is the study of the motion of liquids, gases and plasmas. Flow is dependent on the intrinsic properties of the matter itself, such as compressibility, viscosity and density. Example ...

GRAND RAPIDS, Mich. — A Grand Rapids area mom known for her aggressively funny cooking tutorials is getting ready to release her first cookbook. Jessica Secrest—who runs the account @applesauceandadhd ...