Abstract: Inclement weather, such as rain and snow, can significantly affect the operation of urban rail systems, particularly in open-air sections of the track. In order to ensure the safety of train ...

Abstract: Mobile edge computing (MEC) deploys storage and computing resources at the network edge to handle critical applications that are latency-sensitive and computing-intensive. However, wireless ...

This project provides a hands-on tutorial for understanding and implementing the Proximal Policy Optimization (PPO) algorithm to fine-tune Large Language Models (LLMs) using Reinforcement Learning (RL ...

This price reflects trading activity during the overnight session on the Blue Ocean ATS, available 8 PM to 4 AM ET, Sunday through Thursday, when regular markets are closed. Chart does not reflect ...

Ethiopia on Wednesday rejected a proposal by Egypt to operate a $4 billion hydropower dam the Horn of Africa country is constructing on the Nile, further deepening a dispute between the two nations ...

Copyright 2025 The Associated Press. All Rights Reserved. Copyright 2025 The Associated Press. All Rights Reserved. The long-dormant mountain in the Afar region began ...

A volcano in Ethiopia erupted for the first time in nearly 12,000 years, sending clouds of thick smoke 14 kilometres into the sky and over the Red Sea. Satellite imagery captured by NASA shows the ...

December 12, 2025 • The Department of Justice has sued four more states as part of the Trump administration's far-reaching attempt to access sensitive voter data. The DOJ is also suing Fulton County ...

Warning: This report contains descriptions of rape and sexual violence. Names of victims have been changed and identifying details omitted to protect their privacy and safety. Enat was at home with ...

In the 16th and 17th centuries, the fortress-city of Fasil Ghebbi was the residence of the Ethiopian emperor Fasilides and his successors. Surrounded by a 900-m-long wall, the city contains palaces, ...