X-ray spectra; lasers: Einstein coefficients, population inversion, two and three level systems. Solid State Physics Elements of crystallography; diffraction methods for structure determination ...

The Philippines does not take lightly the People’s Liberation Army-Navy (PLAN's) pointing a laser at a Bureau of Fisheries and Aquatic Resources (BFAR) aircraft in the West Philippine Sea, the ...

The FAA investigating reports of a laser strike of a Delta plane landing in Boston. According to the FAA crews on Flight 2088 reported being illuminated by a green laser approximately 9 miles ...

The death toll topped 125. Supplies arrive by plane and by mule in North Carolina as Helene's death toll tops 125 A crisis was unfolding in western North Carolina, where residents stranded by ...

Widespread devastation left behind by Hurricane Helene came to light on Monday across the south of the US, revealing a wasteland of splintered houses, crushed cargo containers and mud-covered ...

The death toll topped 125. A crisis was unfolding in western North Carolina, where residents stranded by washed-out roads and by a lack of power and mobile service lined up for fresh water and a ...

Authorities are investigating after a Delta Airlines flight from Austin, Texas to Boston was struck by a green laser about nine ... an Airbus A320reported that the plane was being illuminated ...

The death toll topped 125. A crisis was unfolding in western ... while trucks and cargo planes were arriving with food and water, the Federal Emergency Management Agency said.