Abstract: This paper presents the design of a rectangular slotted antipodal Vivaldi antenna (AVA) incorporating ridged substrate integrated waveguide (RSIW) structures for ultra-wideband (UWB) ...

Meet your ticket to free broadcasts. A good one costs less than $20. Photo-Illustration: Vulture; Photos: Courtesy of retailers This article was first published September 12, 2025, and has been ...

Part 4 of the TED Radio Hour episode What can you control in this chaotic world? What do you want out of life? Instead of ignoring daunting questions like this, designer Bill Burnett says we should ...

Dec 26 (Reuters) - President Volodymyr Zelenskiy said on Friday that Russia was using ordinary apartment blocks on the territory of its ally Belarus to attack Ukrainian targets and circumvent Kyiv's ...

To better understand which social media platforms Americans use, Pew Research Center surveyed 5,022 U.S. adults from Feb. 5 to June 18, 2025. SSRS conducted this National Public Opinion Reference ...

Law enforcement officials are warning the public of new methods burglars are using to steal newer cars right from the driveways of their owners. According to two Anaheim Police Department officials, ...

There was a time when antennas were the norm for TVs in homes throughout the United States. Without them, many people wouldn't have been able to watch TV at all. Even some of today's Smart TVs have ...

We’re living through an era of accelerated change, and leaders feel it every day. In five years, we’ve experienced the impacts of Covid and how it rebooted the norms we took for granted in how we work ...

SANTA CLARA, California - Sept 24 (Reuters) - The computing chips that power artificial intelligence consume a lot of electricity. On Wednesday, the world's biggest manufacturer of those chips showed ...

A Flowerlike satellite has “bloomed” in outer space, unfolding to reveal the largest radar antenna reflector ever put into orbit. The NASA-ISRO Synthetic Aperture Radar (NISAR), a joint project ...

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Section 1. Purpose and Policy. America has long led the world in innovation, technological advancement, and design. But with a sprawling ecosystem of digital services offered to Americans, the ...