The Ports of Los Angeles and Long Beach on May 20, 2025 announced that they are accepting proposals from prospective short ...

AI Kill Switch Act, introduced July 23, 2026, would require frontier AI labs to maintain DHS-ordered shutdown capability ...

Google DeepMind has paired two of its newest artificial intelligence systems into a single training engine: a world model called Genie 3 that turns a text prompt into a navigable 3D environment, and a ...

If David Jaumandreu is sure of one thing, it’s this: Nothing in the world beats riding high-speed rail for the first time. Jaumandreu said he stumbled upon the concept for Denshattack! about four ...

Nearly two years after extolling the virtues of open source AI, Meta CEO Mark Zuckerberg is singing a different tune. On Wednesday, the social media magnate unveiled its first new model developed by ...

Voltify, a start-up, has a bold ambition to convince U.S. Class 1 railroad companies to switch to battery-electric power. Powering locomotives using batteries rather than diesel would save U.S. rail ...

Abstract: Optimized pulse patterns (OPPs) can be used to improve overall drive train performance. Recently, they have been applied to minimize the current harmonics of salient permanent magnetic ...

Abstract: This paper studies the energy-efficient operation problem of two trains operating along the same line consecutively in urban trail transit (URT). In URT, a moving block signaling (MBS) ...