Abstract: Perfect vortex (PV) beam, as a novel paradigm to carry orbital angular momentum (OAM), owns constant radius of energy intensity and infinite mode of helical patterns, which overcomes the ...

I wrote about making a frame for a cedar chest. My intention was to segue off that and talk about frameworks in a more abstract ...

With an assist from a drone, one Chicago photojournalist captures the brutality and the beauty of winter in the Windy City.

BISMARCK, N.D. — Harsh cold descended on the nation’s midsection Monday as a polar vortex gripped the Rockies and Northern Plains on the heels of weekend storms that pummeled the Eastern U.S ...

Qian, W. (2025) Expanding Force in Astronomy and Updraft Force in Meteorology. Journal of Modern Physics, 16, 267-285. doi: ...

It marks the 10th - and coldest - polar vortex this season so far, with pressure systems pushing cold air from the Arctic southwards into North America and Europe. The polar vortex is a large area ...

School of Physics and Laboratory of Zhongyuan Light, Zhengzhou University, Zhengzhou 450000, China ...

Above: A Von Karman vortex street downwind of the Canary Island chain in the eastern Atlantic Ocean off the coast of Africa on Feb. 27, 2015. Image credit: NASA Worldview. Editor's note ...

Masterpieces by the likes of Pablo Picasso and Vincent Van Gogh feature in the collection in Iran's capital.

Copyright 2025 The Associated Press. All Rights Reserved. At least eight people have died in Kentucky as creeks swelled from heavy rain and water covered roads ...

I’d go as far as to say that you haven’t really watched David Lynch unless you’ve done so in the wee hours of the morning, sick as a dog.

Harsh cold descended on the nation's midsection Monday as a polar vortex gripped the Rockies and Northern Plains on the heels of weekend storms that pummeled the Eastern U.S. with floods, killing at ...