Abstract: In recent years, with a remarkable increase in urban rail transit operations, the issue of energy efficiency in train operations has attained increasing attention. In this study, a two-stage ...

Space systems are an integral part of modern war fighting. Militaries use them to conduct everything from reconnaissance to communications and data transfers, mission planning, and maintain ...

WASHINGTON — The Trump administration has begun detailed planning for a new mission to send American troops and intelligence officers into Mexico to target drug cartels, according to two U.S.

Designed with Amazon’s front-line employees in mind, these innovations reduce repetitive tasks, improve safety, and boost productivity—while speeding up delivery. Every time we innovate across ...

Iran became a pioneer in gender transition operations by forcing procedures on L.G.B.T.Q. Iranians. Desperate for cash, the Islamic republic is hoping to attract trans patients from around the world.

Abstract: To address the inefficiencies in airport operations caused by fragmented key resource scheduling, a deeply integrated joint scheduling model with considering the interactions among runways, ...

Gen. Bryan Fenton expressed thanks and gratitude to his fellow special operators Friday as he retired from a three-plus-decades-long career as an Army Special Forces officer. He last served as ...

California became the first state to ban most law enforcement officers, including federal immigration agents, from covering their faces while conducting official business under a bill that was signed ...

Seattle Mayor Bruce Harrell today announced a “responsible AI plan” that provides guidelines for the municipality’s use of artificial intelligence and its support of the AI tech sector as an economic ...

Jim Abeles and Kat Topaz had a dream: to get out of the rat race and become farmers. But the couple, who both used to work in publishing and tech, didn’t realize how hard it would be to make a living ...

Orbital Operations plans to use its seed funding to grow its small team (above) and work on cryogenic propellant management technologies and a rocket engine. Credit: Orbital Operations WASHINGTON — ...