If you often lose power where you live, whether because of seasonal storms such as hurricanes or due to other problems with the electrical grid, having a whole-house generator can be very convenient.

Abstract: In this article, a new technique to design a low-profile planar vortex beam generator is proposed based on microwave frequency selective surface (FSS), which is capable of generating orbital ...

Abstract: In this article, an all-fiber super-variable focusing vortex beam generator is proposed and demonstrated, the focal point of which can be drastically relocated by varying the wavelength of ...

Just a few days into December, an arctic air mass has swept into the United States, bringing subzero morning lows and daytime highs stuck in the teens for 30 million Americans in the Northern Plains, ...

The US is looking to tap the nation’s network of large industrial diesel generators used at data centers, big box stores and elsewhere to help curb rising electricity costs and support the surge in ...

Vortex is one of the best binoculars manufacturers and there are some great savings to be had on their top-of-the-range binoculars this month. Vortex are not budget binoculars so grabbing a nifty ...

If you’ve ever wondered why winter sometimes flips from mild to brutally cold, the answer might be hiding 20 miles above your head. That’s where a rare atmospheric phenomenon called sudden ...

Over 235 million Americans will be at or below freezing in the next week, setting the stage for a long-lasting arctic chill. The coldest day will likely be Monday morning, where temperatures will be ...

Meteorologists don't have the specific forecast ready yet, but there is a growing consensus that December will be a frigid one for parts of the United States. The National Weather Service's Climate ...