Laser diodes are semiconductors that generate light and amplify it using repeated reflection or "optical feedback." Once the ...

Researchers developed a numerical simulation technique for light wave interactions in triangular-lattice PCSELs, enhancing performance and design scalability.

By observing tiny ripples in spacetime called "gravitational waves" that propagate away from colliding black holes, ...

My American accent is the first thing people hear when I open my mouth to speak in class. As a political science student studying abroad for the semester in Scotland at the University of Glasgow, I am ...

The Big Game had fewer hard-hitting social cause messages than years past, due to the polarization of opinions in the presidential election and corporate fear of alienating Trump.

Photonic crystal surface-emitting lasers or PCSELs are laser diodes that generate laser beams through controlled light wave interaction within a photonic crystal structure. In a recent study, ...

A search for a missing plane carrying ten people has ended with the discovery of wreckage in Alaska and recovery of all the victims' bodies. Alaska Department of Public Safety, in a news release 2 ...

Trump shares D.C. plane crash theory as he goes off script at National Prayer Breakfast: Live - President pledges that ...

Editor's note: This page reflects Friday's news about the plane crash in Alaska. For the latest updates, please read USA TODAY's coverage of the plane crash investigation for Saturday ...

This photo provided by the U.S. Coast Guard on Friday, Feb. 7, 2025, shows a small commuter plane that crashed in western Alaska on a flight that was bound for the hub community of Nome.

A photo of a Bering Air Cessna 208B Grand Caravan in Nome, Alaska, the same type of plane that disappeared. (Quintin Soloviev via WikiCommons) ...

A US-contracted surveillance plane crashed in the Philippines on Thursday morning, killing all four personnel on board, including one US military service member, according to US Indo-Pacific Command.