Abstract: The demand for high-speed and high-capacity communication and radar systems operating at frequencies above millimeter waves has increased. Dielectric waveguides have been studied as low-loss ...

Abstract: In moment-based watermarking schemes, the accuracy of the moments is crucial for constructing robust watermarking schemes. The robustness of the watermarking scheme relies heavily on the ...

A disrupted polar vortex is expected to bring cold weather to many parts of the U.S., and potentially snow to some regions. A rare atmospheric event known as sudden stratospheric warming is being ...

Meteorologists are predicting colder-than-normal temperatures to hit a large portion of the United States, which will bring the first snowstorms of the year to many areas. Towns and cities in northern ...

PORTLAND, Ore. (KOIN) — Nora, a beloved polar bear, will soon bid her final farewell to Portlanders. The 10-year-old female’s final day at the Oregon Zoo will be this Sunday, Nov. 30. Her next stop is ...

Polar Knowledge Canada (POLAR) is responsible for advancing Canada’s knowledge of the Arctic, strengthening Canadian leadership in polar science and technology, and promoting the development and ...

Truthout’s December fundraiser is our most important of the year and will determine the scale of work we will be able to do in 2026. Please support us with a tax-deductible donation today. A weather ...

A polar vortex is on its way for much of Canada next week. And while it’s not the first time Canadians have faced down the chill of a polar vortex in recent years, this one is set to cause ...