Abstract: A photonic approach to realizing phase-coded microwave signal generation with large frequency tunability is proposed and demonstrated. Two coherent optical wavelengths are generated based on ...

But now, incredibly, new research suggests that the cleaner wrasse—a tiny, tropical reef fish—can recognize itself too, making it the first fish to do so. Scientists have long used a mirror ...

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Abstract: Quadratically constrained quadratic programming (QCQP) with double-sided constraints has plenty of applications in signal processing as have been addressed in recent years. QCQP problems are ...

(CNN) — The Israeli military issued an evacuation warning for three ports in Yemen on Sunday night after vowing to “defend itself by itself” following a ceasefire deal between the US and the ...

Vatican Media, via Associated Press Visitors in St. Peter’s Square the day after the election of the new pope, the first to be American-born. Gianni Cipriano for The New York Times Leo giving a ...

Nintendo’s latest legal move to combat piracy may be super effective. According to a new change in the Nintendo User Agreement, the console maker can brick your Switch, or render it useless, if ...

ATHENS — On a May afternoon, Georgia Square Mall, once this city’s shopping and social hub, is nearly silent. Metal gates shutter most storefronts along a dim corridor. No one lines up at the ...

"That is, that the US should not be over-extending itself in international affairs." 20 Historical Figures Whose True Evil Was Only Discovered After Their Death Scientists studied late sleepers ...