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 ...

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 ...

December 10, 2025 • The head of the NTSB is voicing strong opposition to provisions in the defense policy bill. The NTSB says the House bill would undermine safety improvements made after the mid-air ...