Abstract: Analytical expression of transmission for the orbital angular momentum (OAM) communication using loop antenna arrays and paraboloids is derived to achieve a communication distance of 100 m.
With more than a decade of experience, Nelson covers Apple and Google and writes about iPhone and Android features, privacy and security settings, and more. AI is not an infallible search engine, but ...
The Trump family company has filed to trademark Donald Trump's name for airports and dozens of related items, including passenger shuttle buses and flight suits ...
ROCHESTER — Nearly 300 individual adults were known to be homeless in Olmsted County at the end of January. The number doesn’t include families or youth, but Olmsted County's Associate Housing ...
Nearly four months after crypto’s record Oct. 10 flash crash wiped out leveraged positions across the market, the industry is still arguing about what actually broke. That argument turned into a ...
U.S. President Donald Trump speaks to reporters outside the White House in Washington, D.C., on Jan. 27, 2026. (Kyle Mazza/Anadolu via Getty Images) About this research This Pew Research Center report ...
-- From 2023 to 2025, the proportion of synthetic data increased from 20%-30% to 50%-60%, becoming a core resource to fill long-tail scenarios. -- Full-process ...
Listen closely and you can hear the crackled lilt of Sonny and Cher drifting through Chicago. Don’t hear it? Just wait. This is the third time in a row we’ve woken up as a city to this song on the ...
In an unprecedented change, the Centers for Disease Control and Prevention is reducing the number of immunizations routinely recommended for all children from 17 to 11. On the new schedule, vaccines ...
GameSpot may get a commission from retail offers. Over the weekend, The Indie Game Awards shook up its winner's circle by stripping Clair Obscur: Expedition 33 of its Game of the Year Award over the ...
JEOLLANAM-DO PROVINCE, South Korea, Dec. 18, 2025 /PRNewswire/ -- Single-phase power factor correction (PFC) circuits—a kind of front-end AC/DC converters—are ubiquitous in a variety of consumer ...
Researchers develop a sensorless boost PFC method delivering near 0.9998 power factor and low distortion, enabling smaller and more reliable power supplies for consumer electronics. Single-phase power ...
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