Abstract: Light with helical phase wavefront carries orbital angular momentum, a unique feature widening the horizon of optical imaging applicability. Here, we take particular interest in the common ...

Abstract: Electromagnetic vortex waves carrying orbital angular momentum (OAM) have been receiving increasing attention in different domains, from optics to microwave, due to their “phase twists” ...

Michael Penix Jr. and the Atlanta offense were held to just 10 points by the 49ers on Sunday night. Darren Yamashita / Imagn Images SANTA CLARA, Calif. — Most of the “Sunday Night Football” audience ...

Cryptocurrency markets face renewed pressure as altcoins drop around 6%, while Bitcoin struggles to regain momentum following a decisive breakdown, signaling a deepening crypto selloff.

Natural gas futures rallied for the first time in four sessions on Friday, bolstered by strengthened export activity and bargain buying. After losing about 18 cents over the prior three sessions, the ...

After a week-long rout that erased hundreds of billions in digital-asset value, bitcoin has again failed to live up to its billing as a safe-harbour asset. Once cast as a hedge against market turmoil ...