Abstract: Photonic millimeter-wave (mm-wave) signal generation with a wide tuning range based on self-injection locking and Pound-Drever-Hall is proposed. The phase noise of generated heterodyne ...
WASHINGTON – Defense Secretary Pete Hegseth on Tuesday was given a final copy of the completed Defense Department Inspector General report that examined his sharing sensitive military information on a ...
New Gravitational-Wave Signal May Reveal Primordial Black Holes Born After the Big Bang A November 2025 LIGO–Virgo–KAGRA signal hints at ultra-light primordial black holes—hypothetical relics of the ...
Have gravitational waves provided the first hint of primordial black holes born during the Big Bang?
"If this turns out to be real, then it’s enormous." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Scientists may have "heard" the first ...
Abstract: In this paper, a single-generator aggregated model (SGAM) of a renewable power station (RPS) is derived for the quick especially simulation-based evaluation of small-signal stability. The ...
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