According to @ai_darpa, RIVR's Swiss-designed wheeled-legged robot leverages advanced physical AI to navigate snowy sidewalks, stairs, and curbs in Pittsburgh, ensuring reliable last-mile delivery even in challenging winter conditions. This breakthrough demonstrates the growing capabilities of AI-powered robotics in real-world environments, opening new business opportunities for urban logistics and autonomous delivery services in cities with harsh weather. The robot's adaptability to complex terrains highlights the practical applications of AI and robotics for e-commerce and logistics companies seeking to optimize urban delivery operations (source: @ai_darpa, Dec 25, 2025).