Abstract: Vortex retarders are optical retarders with a uniform retardance and fast axis orientation that varies azimuthally, which generates a Laguerre-Gaussian beam. Their spectropolarimetric ...
There are three versions of the Holosun 407 on sale for under $200. They all feature solar charging, adjustable brightness, ...
The Vortex Optics AMG 1-10X 24 mm FFP riflescope is the shortest and lightest FFP 1-10X low-power variable optic made ...
A severe winter storm that brought crippling freezing rain, sleet and snow to a large part of the U.S. in late January 2026 left a mess in states from New Mexico to New England. Hundreds of thousands ...
Copyright 2026 The Associated Press. All Rights Reserved. Copyright 2026 The Associated Press. All Rights Reserved. With many Americans still recovering from repeated ...
Watch as a massive bowl of Arctic air is set to bring extreme, potentially record-breaking cold temperatures to parts of the Prairies and across Eastern Canada. The polar vortex is teetering, and ...
A forecast map reveals which states can expect to see "persistent cold" in the weeks ahead, after experts said the polar vortex would unleash waves of icy air across parts of the U.S. through January.
High above the Arctic, scientists are tracking a major change in the atmosphere this January, an event similar to what triggered the deadly 2021 Texas freeze. That disaster killed more than 200 people ...
(FOX 2) - Winter has settled in for the long haul, and the next few days only reinforce that feeling. Tonight brings mostly cloudy skies and a low around 13°, but the southwest wind running 10 to 20 ...
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